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Circadian disturbances and frailty risk in older adults

Editors’ Highlight

We investigated prospective associations of circadian disturbances with incident frailty in over 1000 older adults who had been followed annually for up to 16 years. We found that decreased rhythm strength, reduced stability, or increased variation were associated with a higher risk of incident frailty and faster progress of frailty over time. Perturbed circadian rest-activity rhythms may be an early sign or risk factor for frailty in older adults.

Cai R, Gao L, Gao C, Yu L, Zheng X, Bennett DA, Buchman AS, Hu K, Li P
Nature Communications

RESEARCH ARTICLE | Volume 14, Issue 1, Article 7219, November 2023

Daytime napping and Alzheimer’s dementia: A potential bidirectional relationship

Daytime napping was assessed objectively through actigraphy annually for up to 14 years. Daytime napping was modeled longitudinally with aging and Alzheimer’s progression. Our findings suggested that progression of Alzheimer’s dementia accelerated the aging-related changes in daytime napping. Our results also for the first time demonstrated directly that daytime napping and cognitionmay drive each other’s changes bidirectionally.

P Li, L Gao, L Yu, X Zheng, MC Ulsa, HW Yang, A Gaba, K Yaffe, DA Bennett, AS Buchman, K Hu, Y Leng
Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association

RESEARCH ARTICLE | Volume 19, Issue 1, Pages 158-168, January 2023
Questions & Answers from the Author

Full list of publications

2024
Baez S, Hernandez H, Moguilner S, Cuadros J, Santamaria-Garcia H, Medel V, Migeot J, Cruzat J, Valdes-Sosa PA, Lopera F, González-Hernández A, Bonilla-Santos J, Gonzalez-Montealegre RA, Aktürk T, Legaz A, Altschuler F, Fittipaldi S, Yener GG, Escudero J, Babiloni C, Lopez S, Whelan R, Lucas AAF, Huepe D, Soto-Añari M, Coronel-Oliveros C, Herrera E, Abasolo D, Clark RA, Güntekin B, Duran-Aniotz C, Parra MA, Lawlor B, Tagliazucchi E, Prado P, Ibanez A. Structural inequality and temporal brain dynamics across diverse samples. Clin Transl Med. 2024 Oct;14(10):e70032. doi: 10.1002/ctm2.70032. PubMed PMID: 39360669; PubMed Central PMCID: PMC11447638.
Gonzalez-Gomez R, Legaz A, Moguilner S, Cruzat J, Hernández H, Baez S, Cocchi R, Coronel-Olivero C, Medel V, Tagliazuchi E, Migeot J, Ochoa-Rosales C, Maito MA, Reyes P, Santamaria Garcia H, Godoy ME, Javandel S, García AM, Matallana DL, Avila-Funes JA, Slachevsky A, Behrens MI, Custodio N, Cardona JF, Brusco IL, Bruno MA, Sosa Ortiz AL, Pina-Escudero SD, Takada LT, Resende EPF, Valcour V, Possin KL, Okada de Oliveira M, Lopera F, Lawlor B, Hu K, Miller B, Yokoyama JS, Gonzalez Campo C, Ibañez A. Educational disparities in brain health and dementia across Latin America and the United States. Alzheimers Dement. 2024 Sep;20(9):5912-5925. doi: 10.1002/alz.14085. Epub 2024 Aug 13. PubMed PMID: 39136296; PubMed Central PMCID: PMC11497666.
Moguilner S, Baez S, Hernandez H, Migeot J, Legaz A, Gonzalez-Gomez R, Farina FR, Prado P, Cuadros J, Tagliazucchi E, Altschuler F, Maito MA, Godoy ME, Cruzat J, Valdes-Sosa PA, Lopera F, Ochoa-Gómez JF, Hernandez AG, Bonilla-Santos J, Gonzalez-Montealegre RA, Anghinah R, d’Almeida Manfrinati LE, Fittipaldi S, Medel V, Olivares D, Yener GG, Escudero J, Babiloni C, Whelan R, Güntekin B, Yırıkoğulları H, Santamaria-Garcia H, Lucas AF, Huepe D, Di Caterina G, Soto-Añari M, Birba A, Sainz-Ballesteros A, Coronel-Oliveros C, Yigezu A, Herrera E, Abasolo D, Kilborn K, Rubido N, Clark RA, Herzog R, Yerlikaya D, Hu K, Parra MA, Reyes P, García AM, Matallana DL, Avila-Funes JA, Slachevsky A, Behrens MI, Custodio N, Cardona JF, Barttfeld P, Brusco IL, Bruno MA, Sosa Ortiz AL, Pina-Escudero SD, Takada LT, Resende E, Possin KL, de Oliveira MO, Lopez-Valdes A, Lawlor B, Robertson IH, Kosik KS, Duran-Aniotz C, Valcour V, Yokoyama JS, Miller B, Ibanez A. Brain clocks capture diversity and disparities in aging and dementia across geographically diverse populations. Nat Med. 2024 Aug 26;. doi: 10.1038/s41591-024-03209-x. [Epub ahead of print] PubMed PMID: 39187698.
Hernandez H, Baez S, Medel V, Moguilner S, Cuadros J, Santamaria-Garcia H, Tagliazucchi E, Valdes-Sosa PA, Lopera F, OchoaGómez JF, González-Hernández A, Bonilla-Santos J, Gonzalez-Montealegre RA, Aktürk T, Yıldırım E, Anghinah R, Legaz A, Fittipaldi S, Yener GG, Escudero J, Babiloni C, Lopez S, Whelan R, Lucas AAF, García AM, Huepe D, Caterina GD, Soto-Añari M, Birba A, Sainz-Ballesteros A, Coronel C, Herrera E, Abasolo D, Kilborn K, Rubido N, Clark R, Herzog R, Yerlikaya D, Güntekin B, Parra MA, Prado P, Ibanez A. Brain health in diverse settings: How age, demographics and cognition shape brain function. Neuroimage. 2024 Jul 15;295:120636. doi: 10.1016/j.neuroimage.2024.120636. Epub 2024 May 21. PubMed PMID: 38777219.
Bandyopadhyay A, Oks M, Sun H, Prasad B, Rusk S, Jefferson F, Malkani RG, Haghayegh S, Sachdeva R, Hwang D, Agustsson J, Mignot E, Summers M, Fabbri D, Deak M, Anastasi M, Sampson A, Van Hout S, Seixas A. Strengths, weaknesses, opportunities, and threats of using AI-enabled technology in sleep medicine: a commentary. J Clin Sleep Med. 2024 Jul 1;20(7):1183-1191. doi: 10.5664/jcsm.11132. Review. PubMed PMID: 38533757; PubMed Central PMCID: PMC11217619.
Gao C, Lage C, Scullin MK. Medical malpractice litigation and daylight saving time. J Clin Sleep Med. 2024 Jun 1;20(6):933-940. doi: 10.5664/jcsm.11038. PubMed PMID: 38445709; PubMed Central PMCID: PMC11145060.
Moguilner SG, Berezuk C, Bender AC, Pellerin KR, Gomperts SN, Cash SS, Sarkis RA, Lam AD. Sleep functional connectivity, hyperexcitability, and cognition in Alzheimer’s disease. Alzheimers Dement. 2024 Jun;20(6):4234-4249. doi: 10.1002/alz.13861. Epub 2024 May 19. PubMed PMID: 38764252; PubMed Central PMCID: PMC11180941.
Haghayegh S, Gao C, Sugg E, Zheng X, Yang HW, Saxena R, Rutter MK, Weedon M, Ibanez A, Bennett DA, Li P, Gao L, Hu K. Association of Rest-Activity Rhythm and Risk of Developing Dementia or Mild Cognitive Impairment in the Middle-Aged and Older Population: Prospective Cohort Study. JMIR Public Health Surveill. 2024 May 7;10:e55211. doi: 10.2196/55211. PubMed PMID: 38713911; PubMed Central PMCID: PMC11109857.
Li P, Gao C, Yu L, Gao L, Cai R, Bennett DA, Schneider JA, Buchman AS, Hu K. Delineating cognitive resilience using fractal regulation: Cross-sectional and longitudinal evidence from the Rush Memory and Aging Project. Alzheimers Dement. 2024 May;20(5):3203-3210. doi: 10.1002/alz.13747. Epub 2024 Mar 18. PubMed PMID: 38497429; PubMed Central PMCID: PMC11095481.
Gao C, Scullin MK. Objective and Subjective Intraindividual Variability in Sleep: Predisposing Factors and Health Consequences. Psychosom Med. 2024 May 1;86(4):298-306. doi: 10.1097/PSY.0000000000001301. Epub 2024 Mar 4. PubMed PMID: 38439637.
Coronel-Oliveros C, Gómez RG, Ranasinghe K, Sainz-Ballesteros A, Legaz A, Fittipaldi S, Cruzat J, Herzog R, Yener G, Parra M, Aguillon D, Lopera F, Santamaria-Garcia H, Moguilner S, Medel V, Orio P, Whelan R, Tagliazucchi E, Prado P, Ibañez A. Viscous dynamics associated with hypoexcitation and structural disintegration in neurodegeneration via generative whole-brain modeling. Alzheimers Dement. 2024 May;20(5):3228-3250. doi: 10.1002/alz.13788. Epub 2024 Mar 19. PubMed PMID: 38501336; PubMed Central PMCID: PMC11095480.
Sugg E, Gleeson E, Baker SN, Li P, Gao C, Mueller A, Deng H, Shen S, Franco-Garcia E, Saxena R, Musiek ES, Akeju O, Xie Z, Hu K, Gao L. Sleep and circadian biomarkers of postoperative delirium (SLEEP-POD): protocol for a prospective and observational cohort study. BMJ Open. 2024 Apr 19;14(4):e080796. doi: 10.1136/bmjopen-2023-080796. PubMed PMID: 38643014; PubMed Central PMCID: PMC11033637.
Moguilner S, Herzog R, Perl YS, Medel V, Cruzat J, Coronel C, Kringelbach M, Deco G, Ibáñez A, Tagliazucchi E. Biophysical models applied to dementia patients reveal links between geographical origin, gender, disease duration, and loss of neural inhibition. Alzheimers Res Ther. 2024 Apr 11;16(1):79. doi: 10.1186/s13195-024-01449-0. PubMed PMID: 38605416; PubMed Central PMCID: PMC11008050.
Correction to: Association of Poor Sleep Burden in Middle Age and Older Adults With Risk for Delirium During Hospitalization. J Gerontol A Biol Sci Med Sci. 2024 Mar 1;79(3). doi: 10.1093/gerona/glae054. PubMed PMID: 38394257; PubMed Central PMCID: PMC10888515.
Toro-Hernández FD, Migeot J, Marchant N, Olivares D, Ferrante F, González-Gómez R, González Campo C, Fittipaldi S, Rojas-Costa GM, Moguilner S, Slachevsky A, Chaná Cuevas P, Ibáñez A, Chaigneau S, García AM. Neurocognitive correlates of semantic memory navigation in Parkinson’s disease. NPJ Parkinsons Dis. 2024 Jan 9;10(1):15. doi: 10.1038/s41531-024-00630-4. PubMed PMID: 38195756; PubMed Central PMCID: PMC10776628.
Żebrowska M, Strohmaier S, Westgarth C, Huttenhower C, Eliassen HA, Haghayegh S, Huang T, Laden F, Hart J, Rosner B, Kawachi I, Chavarro JE, Okereke OI, Schernhammer ES. Timing and duration of dog walking and dog owner’s chronotype in relation to incident depression risk among middle to older-aged female nurses. PLoS One. 2024;19(1):e0296922. doi: 10.1371/journal.pone.0296922. eCollection 2024. PubMed PMID: 38295024; PubMed Central PMCID: PMC10829988.
Sun H, Li P, Gao L, Yang J, Yu L, Buchman AS, Bennett DA, Westover MB, Hu K. Altered Motor Activity Patterns within 10-Minute Timescale Predict Incident Clinical Alzheimer’s Disease. J Alzheimers Dis. 2024;98(1):209-220. doi: 10.3233/JAD-230928. PubMed PMID: 38393904; PubMed Central PMCID: PMC10977378.
Li P, Gao L, Dashti HS, Hu K, Leng Y. Authors’ response to: A Mendelian randomization study of Alzheimer’s disease and daytime napping. Alzheimers Dement. 2024 Jan;20(1):743-744. doi: 10.1002/alz.13504. Epub 2023 Oct 12. PubMed PMID: 37828705; PubMed Central PMCID: PMC10836823.
Carriedo N, Rodríguez-Villagra OA, Moguilner S, Morales-Sepulveda JP, Huepe-Artigas D, Soto V, Franco-O’Byrne D, Ibáñez A, Bekinschtein TA, Huepe D. Cognitive, emotional, and social factors promoting psychosocial adaptation: a study of latent profiles in people living in socially vulnerable contexts. Front Psychol. 2024;15:1321242. doi: 10.3389/fpsyg.2024.1321242. eCollection 2024. PubMed PMID: 38680276; PubMed Central PMCID: PMC11050042.
2023
Prado P, Medel V, Gonzalez-Gomez R, Sainz-Ballesteros A, Vidal V, Santamaría-García H, Moguilner S, Mejia J, Slachevsky A, Behrens MI, Aguillon D, Lopera F, Parra MA, Matallana D, Maito MA, Garcia AM, Custodio N, Funes AÁ, Piña-Escudero S, Birba A, Fittipaldi S, Legaz A, Ibañez A. The BrainLat project, a multimodal neuroimaging dataset of neurodegeneration from underrepresented backgrounds. Sci Data. 2023 Dec 9;10(1):889. doi: 10.1038/s41597-023-02806-8. PubMed PMID: 38071313; PubMed Central PMCID: PMC10710425.
Bender AC, Jaleel A, Pellerin KR, Moguilner S, Sarkis RA, Cash SS, Lam AD. Altered Sleep Microarchitecture and Cognitive Impairment in Patients With Temporal Lobe Epilepsy. Neurology. 2023 Dec 4;101(23):e2376-e2387. doi: 10.1212/WNL.0000000000207942. PubMed PMID: 37848332; PubMed Central PMCID: PMC10752648.
Papantoniou K, Konrad P, Haghayegh S, Strohmaier S, Eliassen AH, Schernhammer E. Rotating Night Shift Work, Sleep, and Thyroid Cancer Risk in the Nurses’ Health Study 2. Cancers (Basel). 2023 Nov 30;15(23). doi: 10.3390/cancers15235673. PubMed PMID: 38067376; PubMed Central PMCID: PMC10705158.
Cai R, Gao L, Gao C, Yu L, Zheng X, Bennett DA, Buchman AS, Hu K, Li P. Circadian disturbances and frailty risk in older adults. Nat Commun. 2023 Nov 16;14(1):7219. doi: 10.1038/s41467-023-42727-z. PubMed PMID: 37973796; PubMed Central PMCID: PMC10654720.
Haghayegh S, Strohmaier S, Hamaya R, Eliassen AH, Willett WC, Rimm EB, Schernhammer ES. Sleeping Difficulties, Sleep Duration, and Risk of Hypertension in Women. Hypertension. 2023 Nov;80(11):2407-2414. doi: 10.1161/HYPERTENSIONAHA.123.21350. Epub 2023 Sep 18. PubMed PMID: 37721046; PubMed Central PMCID: PMC10591959.
Li P, Hu K. Circadian Disturbances and Age-Related Disorders. Adv Biol (Weinh). 2023 Nov;7(11):e2300405. doi: 10.1002/adbi.202300405. PubMed PMID: 37986670.
Ding W, Yang L, Shi E, Kim B, Low S, Hu K, Gao L, Chen P, Ding W, Borsook D, Luo A, Choi JH, Wang C, Akeju O, Yang J, Ran C, Schreiber KL, Mao J, Chen Q, Feng G, Shen S. The endocannabinoid N-arachidonoyl dopamine is critical for hyperalgesia induced by chronic sleep disruption. Nat Commun. 2023 Oct 25;14(1):6696. doi: 10.1038/s41467-023-42283-6. PubMed PMID: 37880241; PubMed Central PMCID: PMC10600211.
Irie WC, Chitneni P, Glynn TR, Allen W, Chai PR, Engelman AN, Hurtado R, Li JZ, Li P, Lockman S, Marcus JL, Ogunshola FJ, Rönn MM, Haberer J, Ghebremichael M, Ciaranello A. Pathways and Intersections: Multifaceted Approaches to Engage Individuals From Underrepresented and Marginalized Communities in HIV Research and Career Development. J Acquir Immune Defic Syndr. 2023 Oct 1;94(2S):S116-S121. doi: 10.1097/QAI.0000000000003265. PubMed PMID: 37707858; PubMed Central PMCID: PMC10503030.
Gaba A, Li P, Xi Z, Gao C, Ruixue C, Hu K, Gao L. Associations between depression symptom burden and delirium risk: a prospective cohort study. medRxiv. 2023 Sep 23;. doi: 10.1101/2023.09.21.23295926. PubMed PMID: 37790485; PubMed Central PMCID: PMC10543040.
Chen RW, Ulsa MC, Li P, Gao C, Zheng X, Xu J, Luo Y, Shen S, Lane J, Scheer FAJL, Hu K, Gao L. Sleep behavior traits and associations with opioid-related adverse events: a cohort study. Sleep. 2023 Sep 8;46(9). doi: 10.1093/sleep/zsad118. PubMed PMID: 37075812; PubMed Central PMCID: PMC10485566.
Santamaria-Garcia H, Sainz-Ballesteros A, Hernandez H, Moguilner S, Maito M, Ochoa-Rosales C, Corley M, Valcour V, Miranda JJ, Lawlor B, Ibanez A. Factors associated with healthy aging in Latin American populations. Nat Med. 2023 Sep;29(9):2248-2258. doi: 10.1038/s41591-023-02495-1. Epub 2023 Aug 10. PubMed PMID: 37563242; PubMed Central PMCID: PMC10504086.
Santamaria-Garcia H, Moguilner S, Rodriguez-Villagra OA, Botero-Rodriguez F, Pina-Escudero SD, O’Donovan G, Albala C, Matallana D, Schulte M, Slachevsky A, Yokoyama JS, Possin K, Ndhlovu LC, Al-Rousan T, Corley MJ, Kosik KS, Muniz-Terrera G, Miranda JJ, Ibanez A. The impacts of social determinants of health and cardiometabolic factors on cognitive and functional aging in Colombian underserved populations. Geroscience. 2023 Aug;45(4):2405-2423. doi: 10.1007/s11357-023-00755-z. Epub 2023 Feb 28. PubMed PMID: 36849677; PubMed Central PMCID: PMC10651610.
Prado P, Mejía JA, Sainz-Ballesteros A, Birba A, Moguilner S, Herzog R, Otero M, Cuadros J, Z-Rivera L, O’Byrne DF, Parra M, Ibáñez A. Harmonized multi-metric and multi-centric assessment of EEG source space connectivity for dementia characterization. Alzheimers Dement (Amst). 2023 Jul-Sep;15(3):e12455. doi: 10.1002/dad2.12455. eCollection 2023 Jul-Sep. PubMed PMID: 37424962; PubMed Central PMCID: PMC10329259.
Legaz A, Prado P, Moguilner S, Báez S, Santamaría-García H, Birba A, Barttfeld P, García AM, Fittipaldi S, Ibañez A. Social and non-social working memory in neurodegeneration. Neurobiol Dis. 2023 Jul;183:106171. doi: 10.1016/j.nbd.2023.106171. Epub 2023 May 29. PubMed PMID: 37257663; PubMed Central PMCID: PMC11177282.
Fittipaldi S, Legaz A, Maito M, Hernandez H, Altschuler F, Canziani V, Moguilner S, Gillan C, Castillo J, Lillo P, Custodio N, Avila-Funes J, Cardona J, Slachevsky A, Henriquez F, Fraile-Vazquez M, de Souza LC, Borroni B, Hornberger M, Lopera F, Santamaria-Garcia H, Matallana D, Reyes P, Gonzalez-Campo C, Bertoux M, Ibanez A. Heterogeneous factors influence social cognition across diverse settings in brain health and age-related diseases. Res Sq. 2023 Jun 9;. doi: 10.21203/rs.3.rs-3007086/v1. PubMed PMID: 37333384; PubMed Central PMCID: PMC10274952.
Barley BK, Gao C, Luster T, Porro A, Parizi-Robinson M, Quigley D, Zinke P, Scullin MK. Chronotype in college science students is associated with behavioral choices and can fluctuate across a semester. Chronobiol Int. 2023 Jun 3;40(6):710-724. doi: 10.1080/07420528.2023.2203251. Epub 2023 Apr 20. PubMed PMID: 37080776.
Gao L, Li P, Gaykova N, Zheng X, Gao C, Lane JM, Saxena R, Scheer FAJL, Rutter MK, Akeju O, Hu K. Circadian Rest-Activity Rhythms, Delirium Risk, and Progression to Dementia. Ann Neurol. 2023 Jun;93(6):1145-1157. doi: 10.1002/ana.26617. Epub 2023 Mar 3. PubMed PMID: 36808743; PubMed Central PMCID: PMC10247440.
Gao L, Zheng X, Baker SN, Li P, Scheer FAJL, Nogueira RC, Hu K. Associations of rest-activity rhythm disturbances with stroke risk and post-stroke adverse outcomes. medRxiv. 2023 May 16;. doi: 10.1101/2023.05.14.23289966. PubMed PMID: 37292791; PubMed Central PMCID: PMC10246053.
Gao L, Gaba A, Li P, Saxena R, Scheer FAJL, Akeju O, Rutter MK, Hu K. Heart rate response and recovery during exercise predict future delirium risk-A prospective cohort study in middle- to older-aged adults. J Sport Health Sci. 2023 May;12(3):312-323. doi: 10.1016/j.jshs.2021.12.002. Epub 2021 Dec 13. PubMed PMID: 34915199; PubMed Central PMCID: PMC10199142.
Schernhammer E, Bogl L, Hublin C, Strohmaier S, Zebrowska M, Erber A, Haghayegh S, Papantoniou K, Ollikainen M, Kaprio J. The association between night shift work and breast cancer risk in the Finnish twins cohort. Eur J Epidemiol. 2023 May;38(5):533-543. doi: 10.1007/s10654-023-00983-9. Epub 2023 Mar 25. PubMed PMID: 36964875; PubMed Central PMCID: PMC10164004.
Ladis I, Gao C, Scullin MK. COVID-19-Related News Consumption Linked with Stress and Worry, but Not Sleep Quality, Early in the Pandemic. Psychol Health Med. 2023 Apr;28(4):980-994. doi: 10.1080/13548506.2022.2141281. Epub 2022 Nov 2. PubMed PMID: 36322027.
Prado P, Moguilner S, Mejía JA, Sainz-Ballesteros A, Otero M, Birba A, Santamaria-Garcia H, Legaz A, Fittipaldi S, Cruzat J, Tagliazucchi E, Parra M, Herzog R, Ibáñez A. Source space connectomics of neurodegeneration: One-metric approach does not fit all. Neurobiol Dis. 2023 Apr;179:106047. doi: 10.1016/j.nbd.2023.106047. Epub 2023 Feb 23. PubMed PMID: 36841423; PubMed Central PMCID: PMC11170467.
Sanz Perl Y, Fittipaldi S, Gonzalez Campo C, Moguilner S, Cruzat J, Fraile-Vazquez ME, Herzog R, Kringelbach ML, Deco G, Prado P, Ibanez A, Tagliazucchi E. Model-based whole-brain perturbational landscape of neurodegenerative diseases. Elife. 2023 Mar 30;12. doi: 10.7554/eLife.83970. PubMed PMID: 36995213; PubMed Central PMCID: PMC10063230.
Cai R, Gao L, Gao C, Yu L, Zheng X, Bennett D, Buchman A, Hu K, Li P. Circadian disturbances and frailty risk in older adults: a prospective cohort study. Res Sq. 2023 Mar 27;. doi: 10.21203/rs.3.rs-2648399/v1. PubMed PMID: 37034594; PubMed Central PMCID: PMC10081385.
Cruzat J, Herzog R, Prado P, Sanz-Perl Y, Gonzalez-Gomez R, Moguilner S, Kringelbach ML, Deco G, Tagliazucchi E, Ibañez A. Temporal Irreversibility of Large-Scale Brain Dynamics in Alzheimer’s Disease. J Neurosci. 2023 Mar 1;43(9):1643-1656. doi: 10.1523/JNEUROSCI.1312-22.2022. Epub 2023 Feb 2. PubMed PMID: 36732071; PubMed Central PMCID: PMC10008060.
Żebrowska M, Strohmaier S, Westgarth C, Huttenhower C, Erber AC, Haghayegh S, Eliassen AH, Huang T, Laden F, Hart JE, Rosner B, Kawachi I, Chavarro JE, Okereke OI, Schernhammer ES. Relationship between pet ownership and risk of high depressive symptoms in adolescence and young adulthood. J Affect Disord. 2023 Feb 15;323:554-561. doi: 10.1016/j.jad.2022.11.070. Epub 2022 Dec 1. PubMed PMID: 36464093; PubMed Central PMCID: PMC9839520.
Haghayegh S, Hu K, Stone K, Redline S, Schernhammer E. Automated Sleep Stages Classification Using Convolutional Neural Network From Raw and Time-Frequency Electroencephalogram Signals: Systematic Evaluation Study. J Med Internet Res. 2023 Feb 10;25:e40211. doi: 10.2196/40211. PubMed PMID: 36763454; PubMed Central PMCID: PMC9960035.
Khoshnevis S, Smolensky MH, Haghayegh S, Castriotta RJ, Hermida RC, Diller KR. Recommended timing of medications that impact sleep and wakefulness: A review of the American Prescribers’ Digital Reference. Sleep Med Rev. 2023 Feb;67:101714. doi: 10.1016/j.smrv.2022.101714. Epub 2022 Nov 8. Review. PubMed PMID: 36509029.
Haghayegh S, Liu Y, Zhang Y, Strohmaier S, Papantoniou K, Markt S, Giovannucci E, Schernhammer E. Rotating Night Shift Work and Bladder Cancer Risk in Women: Results of Two Prospective Cohort Studies. Int J Environ Res Public Health. 2023 Jan 26;20(3). doi: 10.3390/ijerph20032202. PubMed PMID: 36767572; PubMed Central PMCID: PMC9915636.
Li P, Gao L, Yu L, Zheng X, Ulsa MC, Yang HW, Gaba A, Yaffe K, Bennett DA, Buchman AS, Hu K, Leng Y. Daytime napping and Alzheimer’s dementia: A potential bidirectional relationship. Alzheimers Dement. 2023 Jan;19(1):158-168. doi: 10.1002/alz.12636. Epub 2022 Mar 17. PubMed PMID: 35297533; PubMed Central PMCID: PMC9481741.
Gao C, Scullin MK. Longitudinal trajectories of spectral power during sleep in middle-aged and older adults. Aging Brain. 2023;3:100058. doi: 10.1016/j.nbas.2022.100058. eCollection 2023. PubMed PMID: 36911257; PubMed Central PMCID: PMC9997163.
Gao C, Haghayegh S, Wagner M, Cai R, Hu K, Gao L, Li P. Approaches for assessing circadian rest-activity patterns using actigraphy in cohort and population-base studies. Current Sleep Medicine Reports. 2023.
Perl YS, Zamora-Lopez G, Montbrió E, Monge-Asensio M, Vohryzek J, Fittipaldi S, Campo CG, Moguilner S, Ibañez A, Tagliazucchi E, Yeo BTT, Kringelbach ML, Deco G. The impact of regional heterogeneity in whole-brain dynamics in the presence of oscillations. Netw Neurosci. 2023;7(2):632-660. doi: 10.1162/netn_a_00299. eCollection 2023. PubMed PMID: 37397876; PubMed Central PMCID: PMC10312285.
Gonzalez-Gomez R, Ibañez A, Moguilner S. Multiclass characterization of frontotemporal dementia variants via multimodal brain network computational inference. Netw Neurosci. 2023;7(1):322-350. doi: 10.1162/netn_a_00285. eCollection 2023. PubMed PMID: 37333999; PubMed Central PMCID: PMC10270711.
Azami H, Moguilner S, Penagos H, Sarkis RA, Arnold SE, Gomperts SN, Lam AD. EEG Entropy in REM Sleep as a Physiologic Biomarker in Early Clinical Stages of Alzheimer’s Disease. J Alzheimers Dis. 2023;91(4):1557-1572. doi: 10.3233/JAD-221152. PubMed PMID: 36641682; PubMed Central PMCID: PMC10039707.
Maito MA, Santamaría-García H, Moguilner S, Possin KL, Godoy ME, Avila-Funes JA, Behrens MI, Brusco IL, Bruno MA, Cardona JF, Custodio N, García AM, Javandel S, Lopera F, Matallana DL, Miller B, de Oliveira MO, Pina-Escudero SD, Slachevsky A, Ortiz ALS, Takada LT, Tagliazuchi E, Valcour V, Yokoyama JS, Ibañez A. Classification of Alzheimer’s disease and frontotemporal dementia using routine clinical and cognitive measures across multicentric underrepresented samples: A cross sectional observational study. Lancet Reg Health Am. 2023 Jan;17. doi: 10.1016/j.lana.2022.100387. Epub 2022 Nov 3. PubMed PMID: 36583137; PubMed Central PMCID: PMC9794191.
2022
Díaz-Rivera MN, Birba A, Fittipaldi S, Mola D, Morera Y, de Vega M, Moguilner S, Lillo P, Slachevsky A, González Campo C, Ibáñez A, García AM. Multidimensional inhibitory signatures of sentential negation in behavioral variant frontotemporal dementia. Cereb Cortex. 2022 Dec 20;33(2):403-420. doi: 10.1093/cercor/bhac074. PubMed PMID: 35253864; PubMed Central PMCID: PMC9837611.
Haghayegh S, Khoshnevis S, Smolensky MH, Hermida RC, Castriotta RJ, Schernhammer E, Diller KR. Novel temperature-controlled sleep system to improve sleep: a proof-of-concept study. J Sleep Res. 2022 Dec;31(6):e13662. doi: 10.1111/jsr.13662. Epub 2022 Jul 19. PubMed PMID: 35852479.
Herzog R, Rosas FE, Whelan R, Fittipaldi S, Santamaria-Garcia H, Cruzat J, Birba A, Moguilner S, Tagliazucchi E, Prado P, Ibanez A. Genuine high-order interactions in brain networks and neurodegeneration. Neurobiol Dis. 2022 Dec;175:105918. doi: 10.1016/j.nbd.2022.105918. Epub 2022 Nov 12. PubMed PMID: 36375407; PubMed Central PMCID: PMC11195446.
Moguilner S, Birba A, Fittipaldi S, Gonzalez-Campo C, Tagliazucchi E, Reyes P, Matallana D, Parra MA, Slachevsky A, Farías G, Cruzat J, García A, Eyre HA, La Joie R, Rabinovici G, Whelan R, Ibáñez A. Multi-feature computational framework for combined signatures of dementia in underrepresented settings. J Neural Eng. 2022 Aug 25;19(4). doi: 10.1088/1741-2552/ac87d0. PubMed PMID: 35940105; PubMed Central PMCID: PMC11177279.
Gao L, Li P, Lane JM. Sleep and circadian phenotypes: risk factors for COVID-19 severity?. Sleep. 2022 Jul 11;45(7). doi: 10.1093/sleep/zsac116. PubMed PMID: 35567789; PubMed Central PMCID: PMC9272288.
Haghayegh S, Khoshnevis S, Smolensky MH, Hermida RC, Castriotta RJ, Schernhammer E, Diller KR. Selective Thermal Stimulation to Manipulate the Circadian Component of Sleep Regulation. Sleep Medicine. 2022 July; 100:S23. doi: https://doi.org/10.1016/j.sleep.2022.05.077.
Birba A, Santamaría-García H, Prado P, Cruzat J, Ballesteros AS, Legaz A, Fittipaldi S, Duran-Aniotz C, Slachevsky A, Santibañez R, Sigman M, García AM, Whelan R, Moguilner S, Ibáñez A. Allostatic-Interoceptive Overload in Frontotemporal Dementia. Biol Psychiatry. 2022 Jul 1;92(1):54-67. doi: 10.1016/j.biopsych.2022.02.955. Epub 2022 Feb 24. PubMed PMID: 35491275; PubMed Central PMCID: PMC11184918.
Haghayegh S, Hu K, Stone K, Redline S, Schernhammer E. SleepInceptionNet: A Deep Learning Algorithm for Real-Time Sleep Stages Scoring Using Single-channel EEG. SLEEP. 2022 May; 45:A38-A39. doi: https://doi.org/10.1093/sleep/zsac079.083.
Qian J, Morris CJ, Phillips AJK, Li P, Rahman SA, Wang W, Hu K, Arendt J, Czeisler CA, Scheer FAJL. Unanticipated daytime melatonin secretion on a simulated night shift schedule generates a distinctive 24-h melatonin rhythm with antiphasic daytime and nighttime peaks. J Pineal Res. 2022 Apr;72(3):e12791. doi: 10.1111/jpi.12791. Epub 2022 Mar 10. PubMed PMID: 35133678; PubMed Central PMCID: PMC8930611.
Ulsa MC, Xi Z, Li P, Gaba A, Wong PM, Saxena R, Scheer FAJL, Rutter M, Akeju O, Hu K, Gao L. Association of Poor Sleep Burden in Middle Age and Older Adults With Risk for Delirium During Hospitalization. J Gerontol A Biol Sci Med Sci. 2022 Mar 3;77(3):507-516. doi: 10.1093/gerona/glab272. PubMed PMID: 34558609; PubMed Central PMCID: PMC8893188.
Hsiou DA, Gao C, Matlock RC, Scullin MK. Validation of a nonwearable device in healthy adults with normal and short sleep durations. J Clin Sleep Med. 2022 Mar 1;18(3):751-757. doi: 10.5664/jcsm.9700. PubMed PMID: 34608858; PubMed Central PMCID: PMC8883102.
Namisnak LH, Haghayegh S, Khoshnevis S, Diller KR. Bioheat Transfer Basis of Human Thermoregulation: Principles and Applications. J Heat Transfer. 2022 Mar 1;144(3):031203. doi: 10.1115/1.4053195. Epub 2022 Jan 18. PubMed PMID: 35833149; PubMed Central PMCID: PMC8823203.
Prado P, Birba A, Cruzat J, Santamaría-García H, Parra M, Moguilner S, Tagliazucchi E, Ibáñez A. Dementia ConnEEGtome: Towards multicentric harmonization of EEG connectivity in neurodegeneration. Int J Psychophysiol. 2022 Feb;172:24-38. doi: 10.1016/j.ijpsycho.2021.12.008. Epub 2021 Dec 27. Review. PubMed PMID: 34968581; PubMed Central PMCID: PMC9887537.
Gao C, Li P, Morris CJ, Zheng X, Ulsa MC, Gao L, Scheer FAJL, Hu K. Actigraphy-Based Sleep Detection: Validation with Polysomnography and Comparison of Performance for Nighttime and Daytime Sleep During Simulated Shift Work. Nat Sci Sleep. 2022;14:1801-1816. doi: 10.2147/NSS.S373107. eCollection 2022. PubMed PMID: 36275180; PubMed Central PMCID: PMC9581540.
Li P, Gao L, Gao C, Parker RA, Katz IT, Montano MA, Hu K. Daytime Sleep Behaviors and Cognitive Performance in Middle- to Older-Aged Adults Living with and without HIV Infection. Nat Sci Sleep. 2022;14:181-191. doi: 10.2147/NSS.S339230. eCollection 2022. PubMed PMID: 35173500; PubMed Central PMCID: PMC8843344.
2021
O’Gara BP, Gao L, Marcantonio ER, Subramaniam B. Sleep, Pain, and Cognition: Modifiable Targets for Optimal Perioperative Brain Health. Anesthesiology. 2021 Dec 1;135(6):1132-1152. doi: 10.1097/ALN.0000000000004046. Review. PubMed PMID: 34731233; PubMed Central PMCID: PMC8578455.
Li H, Wang X, Liu C, Li P, Jiao Y. Integrating multi-domain deep features of electrocardiogram and phonocardiogram for coronary artery disease detection. Comput Biol Med. 2021 Nov;138:104914. doi: 10.1016/j.compbiomed.2021.104914. Epub 2021 Oct 2. PubMed PMID: 34638021.
Moguilner S, Birba A, Fino D, Isoardi R, Huetagoyena C, Otoya R, Tirapu V, Cremaschi F, Sedeño L, Ibáñez A, García AM. Structural and functional motor-network disruptions predict selective action-concept deficits: Evidence from frontal lobe epilepsy. Cortex. 2021 Nov;144:43-55. doi: 10.1016/j.cortex.2021.08.003. Epub 2021 Sep 22. PubMed PMID: 34637999; PubMed Central PMCID: PMC8585706.
Lu L, Lu Y, Gao C, Zhang N. Age moderates the relationships between obesity, glucose variability, and intensive care unit mortality: a retrospective cohort study. J Intensive Care. 2021 Oct 26;9(1):68. doi: 10.1186/s40560-021-00582-4. PubMed PMID: 34702376; PubMed Central PMCID: PMC8549309.
Haghayegh S, Smolensky MH, Khoshnevis S, Hermida RC, Castriotta RJ, Diller KR. The Circadian Rhythm of Thermoregulation Modulates both the Sleep/Wake Cycle and 24 h Pattern of Arterial Blood Pressure. Compr Physiol. 2021 Oct 12;11(4):2645-2658. doi: 10.1002/cphy.c210008. PubMed PMID: 34636410.
Ibala R, Mekonnen J, Gitlin J, Hahm EY, Ethridge BR, Colon KM, Marota S, Ortega C, Pedemonte JC, Cobanaj M, Chamadia S, Qu J, Gao L, Barbieri R, Akeju O. A polysomnography study examining the association between sleep and postoperative delirium in older hospitalized cardiac surgical patients. J Sleep Res. 2021 Oct;30(5):e13322. doi: 10.1111/jsr.13322. Epub 2021 Mar 24. PubMed PMID: 33759264; PubMed Central PMCID: PMC8637551.
Wong PM, Hasler BP, Kamarck TW, Wright AGC, Hall M, Carskadon MA, Gao L, Manuck SB. Day-to-day associations between sleep characteristics and affect in community dwelling adults. J Sleep Res. 2021 Oct;30(5):e13297. doi: 10.1111/jsr.13297. Epub 2021 Feb 15. PubMed PMID: 33588521; PubMed Central PMCID: PMC8637582.
Moguilner S, Knight SP, Davis JRC, O’Halloran AM, Kenny RA, Romero-Ortuno R. The Importance of Age in the Prediction of Mortality by a Frailty Index: A Machine Learning Approach in the Irish Longitudinal Study on Ageing. Geriatrics (Basel). 2021 Aug 27;6(3). doi: 10.3390/geriatrics6030084. PubMed PMID: 34562985; PubMed Central PMCID: PMC8482125.
Li P, Zheng X, Ulsa MC, Yang HW, Scheer FAJL, Rutter MK, Hu K, Gao L. Poor sleep behavior burden and risk of COVID-19 mortality and hospitalization. Sleep. 2021 Aug 13;44(8). doi: 10.1093/sleep/zsab138. PubMed PMID: 34142713; PubMed Central PMCID: PMC8361340.
Hu K, Li P, Gao L. Sleep, rest-activity rhythms and aging: a complex web in Alzheimer’s disease?. Neurobiol Aging. 2021 Aug;104:102-103. doi: 10.1016/j.neurobiolaging.2021.02.017. Epub 2021 Mar 2. PubMed PMID: 33902941; PubMed Central PMCID: PMC8722769.
Wang L, Wang J, Li P, Wang X, Wu S, Shi B. Association between short-term heart rate variability and blood coagulation in patients with breast cancer. Sci Rep. 2021 Jul 29;11(1):15414. doi: 10.1038/s41598-021-94931-w. PubMed PMID: 34326419; PubMed Central PMCID: PMC8322388.
Moguilner S, Birba A, Fino D, Isoardi R, Huetagoyena C, Otoya R, Tirapu V, Cremaschi F, Sedeño L, Ibáñez A, García AM. Multimodal neurocognitive markers of frontal lobe epilepsy: Insights from ecological text processing. Neuroimage. 2021 Jul 15;235:117998. doi: 10.1016/j.neuroimage.2021.117998. Epub 2021 Mar 28. PubMed PMID: 33789131; PubMed Central PMCID: PMC8272524.
Knapen SE, Li P, Riemersma-van der Lek RF, Verkooijen S, Boks MPM, Schoevers RA, Scheer FAJL, Hu K. Fractal biomarker of activity in patients with bipolar disorder. Psychol Med. 2021 Jul;51(9):1562-1569. doi: 10.1017/S0033291720000331. Epub 2020 Apr 1. PubMed PMID: 32234100; PubMed Central PMCID: PMC8208237.
Scullin MK, Gao C, Fillmore P. Bedtime Music, Involuntary Musical Imagery, and Sleep. Psychol Sci. 2021 Jul;32(7):985-997. doi: 10.1177/0956797621989724. Epub 2021 Jun 9. PubMed PMID: 34105416; PubMed Central PMCID: PMC8641138.
Li P, Gaba A, Wong PM, Cui L, Yu L, Bennett DA, Buchman AS, Gao L, Hu K. Objective Assessment of Daytime Napping and Incident Heart Failure in 1140 Community-Dwelling Older Adults: A Prospective, Observational Cohort Study. J Am Heart Assoc. 2021 Jun 15;10(12):e019037. doi: 10.1161/JAHA.120.019037. Epub 2021 Jun 2. PubMed PMID: 34075783; PubMed Central PMCID: PMC8477879.
Fillmore P, Gao C, Diaz J, Scullin MK. The Prospective Sleeping Brain: Age-Related Differences in Episodic Future Thinking and Frontal Sleep Spindles. J Cogn Neurosci. 2021 Jun 1;33(7):1287-1294. doi: 10.1162/jocn_a_01716. PubMed PMID: 34496402.
Alimoradi Z, Broström A, Tsang HWH, Griffiths MD, Haghayegh S, Ohayon MM, Lin CY, Pakpour AH. Sleep problems during COVID-19 pandemic and its’ association to psychological distress: A systematic review and meta-analysis. EClinicalMedicine. 2021 Jun;36:100916. doi: 10.1016/j.eclinm.2021.100916. Epub 2021 Jun 10. PubMed PMID: 34131640; PubMed Central PMCID: PMC8192091.
Zhao L, Li P, Li J, Liu C. Influence of Ectopic Beats on Heart Rate Variability Analysis. Entropy (Basel). 2021 May 22;23(6). doi: 10.3390/e23060648. PubMed PMID: 34067255; PubMed Central PMCID: PMC8224602.
Liu T, Li P, Liu Y, Zhang H, Li Y, Jiao Y, Liu C, Karmakar C, Liang X, Ren M, Wang X. Detection of Coronary Artery Disease Using Multi-Domain Feature Fusion of Multi-Channel Heart Sound Signals. Entropy (Basel). 2021 May 21;23(6). doi: 10.3390/e23060642. PubMed PMID: 34064025; PubMed Central PMCID: PMC8224099.
Salamone PC, Legaz A, Sedeño L, Moguilner S, Fraile-Vazquez M, Campo CG, Fittipaldi S, Yoris A, Miranda M, Birba A, Galiani A, Abrevaya S, Neely A, Caro MM, Alifano F, Villagra R, Anunziata F, Okada de Oliveira M, Pautassi RM, Slachevsky A, Serrano C, García AM, Ibañez A. Interoception Primes Emotional Processing: Multimodal Evidence from Neurodegeneration. J Neurosci. 2021 May 12;41(19):4276-4292. doi: 10.1523/JNEUROSCI.2578-20.2021. Epub 2021 Apr 7. PubMed PMID: 33827935; PubMed Central PMCID: PMC8143206.
Yan C, Liu C, Yao L, Wang X, Wang J, Li P. Short-Term Effect of Percutaneous Coronary Intervention on Heart Rate Variability in Patients with Coronary Artery Disease. Entropy (Basel). 2021 Apr 28;23(5). doi: 10.3390/e23050540. PubMed PMID: 33924819; PubMed Central PMCID: PMC8146536.
Gao L, Gaba A, Cui L, Yang HW, Saxena R, Scheer FAJL, Akeju O, Rutter MK, Lo MT, Hu K, Li P. Resting Heartbeat Complexity Predicts All-Cause and Cardiorespiratory Mortality in Middle- to Older-Aged Adults From the UK Biobank. J Am Heart Assoc. 2021 Feb 2;10(3):e018483. doi: 10.1161/JAHA.120.018483. Epub 2021 Jan 19. PubMed PMID: 33461311; PubMed Central PMCID: PMC7955428.
Lu L, Gao C, Zhang N. Age moderates the associations between TRAbs, free T3 and outcomes of Graves’ disease patients with radioactive iodine treatment. Clin Endocrinol (Oxf). 2021 Feb;94(2):303-309. doi: 10.1111/cen.14301. Epub 2020 Aug 13. PubMed PMID: 32734611; PubMed Central PMCID: PMC7818480.
Parra MA, Baez S, Sedeño L, Gonzalez Campo C, Santamaría-García H, Aprahamian I, Bertolucci PH, Bustin J, Camargos Bicalho MA, Cano-Gutierrez C, Caramelli P, Chaves MLF, Cogram P, Beber BC, Court FA, de Souza LC, Custodio N, Damian A, de la Cruz M, Diehl Rodriguez R, Brucki SMD, Fajersztajn L, Farías GA, De Felice FG, Ferrari R, de Oliveira FF, Ferreira ST, Ferretti C, Figueredo Balthazar ML, Ferreira Frota NA, Fuentes P, García AM, Garcia PJ, de Gobbi Porto FH, Duque Peñailillo L, Engler HW, Maier I, Mata IF, Gonzalez-Billault C, Lopez OL, Morelli L, Nitrini R, Quiroz YT, Guerrero Barragan A, Huepe D, Pio FJ, Suemoto CK, Kochhann R, Kochen S, Kumfor F, Lanata S, Miller B, Mansur LL, Hosogi ML, Lillo P, Llibre Guerra J, Lira D, Lopera F, Comas A, Avila-Funes JA, Sosa AL, Ramos C, Resende EPF, Snyder HM, Tarnanas I, Yokoyama J, Llibre J, Cardona JF, Possin K, Kosik KS, Montesinos R, Moguilner S, Solis PCL, Ferretti-Rebustini REL, Ramirez JM, Matallana D, Mbakile-Mahlanza L, Marques Ton AM, Tavares RM, Miotto EC, Muniz-Terrera G, Muñoz-Nevárez LA, Orozco D, Okada de Oliveira M, Piguet O, Pintado Caipa M, Piña Escudero SD, Schilling LP, Rodrigues Palmeira AL, Yassuda MS, Santacruz-Escudero JM, Serafim RB, Smid J, Slachevsky A, Serrano C, Soto-Añari M, Takada LT, Grinberg LT, Teixeira AL, Barbosa MT, Trépel D, Ibanez A. Dementia in Latin America: Paving the way toward a regional action plan. Alzheimers Dement. 2021 Feb;17(2):295-313. doi: 10.1002/alz.12202. Epub 2020 Nov 20. PubMed PMID: 33634602; PubMed Central PMCID: PMC7984223.
Moguilner S, García AM, Perl YS, Tagliazucchi E, Piguet O, Kumfor F, Reyes P, Matallana D, Sedeño L, Ibáñez A. Dynamic brain fluctuations outperform connectivity measures and mirror pathophysiological profiles across dementia subtypes: A multicenter study. Neuroimage. 2021 Jan 15;225:117522. doi: 10.1016/j.neuroimage.2020.117522. Epub 2020 Nov 2. PubMed PMID: 33144220; PubMed Central PMCID: PMC7832160.
Gao L, Li P, Gaba A, Musiek E, Ju YS, Hu K. Fractal motor activity regulation and sex differences in preclinical Alzheimer’s disease pathology. Alzheimers Dement (Amst). 2021;13(1):e12211. doi: 10.1002/dad2.12211. eCollection 2021. PubMed PMID: 34189248; PubMed Central PMCID: PMC8220856.
Ibanez A, Yokoyama JS, Possin KL, Matallana D, Lopera F, Nitrini R, Takada LT, Custodio N, Sosa Ortiz AL, Avila-Funes JA, Behrens MI, Slachevsky A, Myers RM, Cochran JN, Brusco LI, Bruno MA, Brucki SMD, Pina-Escudero SD, Okada de Oliveira M, Donnelly Kehoe P, Garcia AM, Cardona JF, Santamaria-Garcia H, Moguilner S, Duran-Aniotz C, Tagliazucchi E, Maito M, Longoria Ibarrola EM, Pintado-Caipa M, Godoy ME, Bakman V, Javandel S, Kosik KS, Valcour V, Miller BL. The Multi-Partner Consortium to Expand Dementia Research in Latin America (ReDLat): Driving Multicentric Research and Implementation Science. Front Neurol. 2021;12:631722. doi: 10.3389/fneur.2021.631722. eCollection 2021. Review. PubMed PMID: 33776890; PubMed Central PMCID: PMC7992978.
2020
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Deep Neural Network Sleep Scoring Using Combined Motion and Heart Rate Variability Data. Sensors (Basel). 2020 Dec 23;21(1). doi: 10.3390/s21010025. PubMed PMID: 33374527; PubMed Central PMCID: PMC7793092.
Shi B, Motin MA, Wang X, Karmakar C, Li P. Bivariate Entropy Analysis of Electrocardiographic RR-QT Time Series. Entropy (Basel). 2020 Dec 20;22(12). doi: 10.3390/e22121439. PubMed PMID: 33419293; PubMed Central PMCID: PMC7766536.
Zhang H, Wang X, Liu C, Liu Y, Li P, Yao L, Li H, Wang J, Jiao Y. Detection of coronary artery disease using multi-modal feature fusion and hybrid feature selection. Physiol Meas. 2020 Dec 9;41(11). doi: 10.1088/1361-6579/abc323. PubMed PMID: 33080588.
Arredondo-Amador M, Zambrano C, Kulyté A, Luján J, Hu K, Sánchez de Medina F, Scheer FAJL, Arner P, Ryden M, Martínez-Augustin O, Garaulet M. Circadian Rhythms in Hormone-sensitive Lipase in Human Adipose Tissue: Relationship to Meal Timing and Fasting Duration. J Clin Endocrinol Metab. 2020 Dec 1;105(12):e4407-16. doi: 10.1210/clinem/dgaa492. PubMed PMID: 32725188; PubMed Central PMCID: PMC7538104.
Li P, Gao L, Gaba A, Yu L, Cui L, Fan W, Lim ASP, Bennett DA, Buchman AS, Hu K. Circadian disturbances in Alzheimer’s disease progression: a prospective observational cohort study of community-based older adults. Lancet Healthy Longev. 2020 Dec;1(3):e96-e105. doi: 10.1016/s2666-7568(20)30015-5. Epub 2020 Nov 12. PubMed PMID: 34179863; PubMed Central PMCID: PMC8232345.
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR. Application of deep learning to improve sleep scoring of wrist actigraphy. Sleep Med. 2020 Oct;74:235-241. doi: 10.1016/j.sleep.2020.05.008. Epub 2020 May 15. PubMed PMID: 32862006.
Udhayakumar R, Karmakar C, Li P, Wang X, Palaniswami M. Modified Distribution Entropy as a Complexity Measure of Heart Rate Variability (HRV) Signal. Entropy (Basel). 2020 Sep 24;22(10). doi: 10.3390/e22101077. PubMed PMID: 33286846; PubMed Central PMCID: PMC7597155.
Gao C, Scullin MK. Sleep health early in the coronavirus disease 2019 (COVID-19) outbreak in the United States: integrating longitudinal, cross-sectional, and retrospective recall data. Sleep Med. 2020 Sep;73:1-10. doi: 10.1016/j.sleep.2020.06.032. Epub 2020 Jun 27. PubMed PMID: 32745719; PubMed Central PMCID: PMC7320269.
Haghayegh S, Kang HA, Khoshnevis S, Smolensky MH, Diller KR. A comprehensive guideline for Bland-Altman and intra class correlation calculations to properly compare two methods of measurement and interpret findings. Physiol Meas. 2020 Jun 15;41(5):055012. doi: 10.1088/1361-6579/ab86d6. PubMed PMID: 32252039.
Gao C, Fillmore P, Scullin MK. Classical music, educational learning, and slow wave sleep: A targeted memory reactivation experiment. Neurobiol Learn Mem. 2020 May;171:107206. doi: 10.1016/j.nlm.2020.107206. Epub 2020 Mar 4. PubMed PMID: 32145407; PubMed Central PMCID: PMC7198365.
Gao L, Smielewski P, Li P, Czosnyka M, Ercole A. Signal Information Prediction of Mortality Identifies Unique Patient Subsets after Severe Traumatic Brain Injury: A Decision-Tree Analysis Approach. J Neurotrauma. 2020 Apr 1;37(7):1011-1019. doi: 10.1089/neu.2019.6631. Epub 2019 Dec 9. PubMed PMID: 31744382; PubMed Central PMCID: PMC7175619.
Hashimoto DA, Witkowski E, Gao L, Meireles O, Rosman G. Artificial Intelligence in Anesthesiology: Current Techniques, Clinical Applications, and Limitations. Anesthesiology. 2020 Feb;132(2):379-394. doi: 10.1097/ALN.0000000000002960. Review. PubMed PMID: 31939856; PubMed Central PMCID: PMC7643051.
Gao L, Lim ASP, Wong PM, Gaba A, Cui L, Yu L, Buchman AS, Bennett DA, Hu K, Li P. Fragmentation of Rest/Activity Patterns in Community-Based Elderly Individuals Predicts Incident Heart Failure. Nat Sci Sleep. 2020;12:299-307. doi: 10.2147/NSS.S253757. eCollection 2020. PubMed PMID: 32581616; PubMed Central PMCID: PMC7266944.
Smolensky MH, Haghayegh S, Khoshnevis S, Diller KR. Does before-bedtime body warming by bathing or other means attenuate sleep-time arterial blood pressure?. Chronobiol Int. 2020 Jan;37(1):146-149. doi: 10.1080/07420528.2019.1696812. Epub 2019 Dec 6. PubMed PMID: 31809590.
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Performance assessment of new-generation Fitbit technology in deriving sleep parameters and stages. Chronobiol Int. 2020 Jan;37(1):47-59. doi: 10.1080/07420528.2019.1682006. Epub 2019 Nov 13. PubMed PMID: 31718308.
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Machine Learning Derived-Interpretative Algorithm Better Differentiates Sleep and Wake Epochs and Estimates Sleep Parameters from Wrist Actigraphy Data. SLEEP. 2020; 43:A457-A458. doi: 10.1093/sleep/zsaa056.1190.
Bhaskar S, Bradley S, Sakhamuri S, Moguilner S, Chattu VK, Pandya S, Schroeder S, Ray D, Banach M. Designing Futuristic Telemedicine Using Artificial Intelligence and Robotics in the COVID-19 Era. Front Public Health. 2020;8:556789. doi: 10.3389/fpubh.2020.556789. eCollection 2020. PubMed PMID: 33224912; PubMed Central PMCID: PMC7667043.
Bhaskar S, Bradley S, Chattu VK, Adisesh A, Nurtazina A, Kyrykbayeva S, Sakhamuri S, Yaya S, Sunil T, Thomas P, Mucci V, Moguilner S, Israel-Korn S, Alacapa J, Mishra A, Pandya S, Schroeder S, Atreja A, Banach M, Ray D. Telemedicine Across the Globe-Position Paper From the COVID-19 Pandemic Health System Resilience PROGRAM (REPROGRAM) International Consortium (Part 1). Front Public Health. 2020;8:556720. doi: 10.3389/fpubh.2020.556720. eCollection 2020. PubMed PMID: 33178656; PubMed Central PMCID: PMC7596287.
Bhaskar S, Bradley S, Chattu VK, Adisesh A, Nurtazina A, Kyrykbayeva S, Sakhamuri S, Moguilner S, Pandya S, Schroeder S, Banach M, Ray D. Telemedicine as the New Outpatient Clinic Gone Digital: Position Paper From the Pandemic Health System REsilience PROGRAM (REPROGRAM) International Consortium (Part 2). Front Public Health. 2020;8:410. doi: 10.3389/fpubh.2020.00410. eCollection 2020. PubMed PMID: 33014958; PubMed Central PMCID: PMC7505101.
2019
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Performance comparison of different interpretative algorithms utilized to derive sleep parameters from wrist actigraphy data. Chronobiol Int. 2019 Dec;36(12):1752-1760. doi: 10.1080/07420528.2019.1679826. Epub 2019 Oct 28. PubMed PMID: 31658822.
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Accuracy of Wristband Fitbit Models in Assessing Sleep: Systematic Review and Meta-Analysis. J Med Internet Res. 2019 Nov 28;21(11):e16273. doi: 10.2196/16273. PubMed PMID: 31778122; PubMed Central PMCID: PMC6908975.
Li P, Yu L, Yang J, Lo MT, Hu C, Buchman AS, Bennett DA, Hu K. Interaction between the progression of Alzheimer’s disease and fractal degradation. Neurobiol Aging. 2019 Nov;83:21-30. doi: 10.1016/j.neurobiolaging.2019.08.023. Epub 2019 Aug 30. PubMed PMID: 31585364; PubMed Central PMCID: PMC6858962.
Li P, Lim ASP, Gao L, Hu C, Yu L, Bennett DA, Buchman AS, Hu K. More random motor activity fluctuations predict incident frailty, disability, and mortality. Sci Transl Med. 2019 Oct 30;11(516). doi: 10.1126/scitranslmed.aax1977. PubMed PMID: 31666398; PubMed Central PMCID: PMC7038816.
Yao L, Li P, Liu C, Hou Y, Yan C, Li L, Li K, Wang X, Deogire A, Du C, Zhang H, Wang J, Li H. Comparison of QT interval variability of coronary patients without myocardial infarction with that of patients with old myocardial infarction. Comput Biol Med. 2019 Oct;113:103396. doi: 10.1016/j.compbiomed.2019.103396. Epub 2019 Aug 20. PubMed PMID: 31446319.
Shi B, Wang L, Yan C, Chen D, Liu M, Li P. Nonlinear heart rate variability biomarkers for gastric cancer severity: A pilot study. Sci Rep. 2019 Sep 25;9(1):13833. doi: 10.1038/s41598-019-50358-y. PubMed PMID: 31554856; PubMed Central PMCID: PMC6761171.
García AM, Moguilner S, Torquati K, García-Marco E, Herrera E, Muñoz E, Castillo EM, Kleineschay T, Sedeño L, Ibáñez A. How meaning unfolds in neural time: Embodied reactivations can precede multimodal semantic effects during language processing. Neuroimage. 2019 Aug 15;197:439-449. doi: 10.1016/j.neuroimage.2019.05.002. Epub 2019 May 3. PubMed PMID: 31059796.
Gao C, Chapagain NY, Scullin MK. Sleep Duration and Sleep Quality in Caregivers of Patients With Dementia: A Systematic Review and Meta-analysis. JAMA Netw Open. 2019 Aug 2;2(8):e199891. doi: 10.1001/jamanetworkopen.2019.9891. PubMed PMID: 31441938; PubMed Central PMCID: PMC6714015.
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Before-bedtime passive body heating by warm shower or bath to improve sleep: A systematic review and meta-analysis. Sleep Med Rev. 2019 Aug;46:124-135. doi: 10.1016/j.smrv.2019.04.008. Epub 2019 Apr 19. PubMed PMID: 31102877.
Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR. Accuracy of PurePulse photoplethysmography technology of Fitbit Charge 2 for assessment of heart rate during sleep. Chronobiol Int. 2019 Jul;36(7):927-933. doi: 10.1080/07420528.2019.1596947. Epub 2019 Apr 16. PubMed PMID: 30990098.
Scullin MK, Gao C, Fillmore P, Roberts RL, Pruett N, Bliwise DL. Rapid eye movement sleep mediates age-related decline in prospective memory consolidation. Sleep. 2019 Jun 11;42(6). doi: 10.1093/sleep/zsz055. PubMed PMID: 30860593; PubMed Central PMCID: PMC6559169.
Yan C, Li P, Liu C, Wang X, Yin C, Yao L. Novel gridded descriptors of poincaré plot for analyzing heartbeat interval time-series. Comput Biol Med. 2019 Jun;109:280-289. doi: 10.1016/j.compbiomed.2019.04.015. Epub 2019 Apr 19. PubMed PMID: 31100581.
Scheer FAJL, Chellappa SL, Hu K, Shea SA. Impact of mental stress, the circadian system and their interaction on human cardiovascular function. Psychoneuroendocrinology. 2019 May;103:125-129. doi: 10.1016/j.psyneuen.2019.01.016. Epub 2019 Jan 16. PubMed PMID: 30682628; PubMed Central PMCID: PMC6686856.
Gao L, Li P, Hu C, To T, Patxot M, Falvey B, Wong PM, Scheer FAJL, Lin C, Lo MT, Hu K. Nocturnal heart rate variability moderates the association between sleep-wake regularity and mood in young adults. Sleep. 2019 May 1;42(5). doi: 10.1093/sleep/zsz034. PubMed PMID: 30722058; PubMed Central PMCID: PMC6519914.
Li P. EZ Entropy: a software application for the entropy analysis of physiological time-series. Biomed Eng Online. 2019 Mar 20;18(1):30. doi: 10.1186/s12938-019-0650-5. PubMed PMID: 30894180; PubMed Central PMCID: PMC6425722.
Leng Y, Musiek ES, Hu K, Cappuccio FP, Yaffe K. Association between circadian rhythms and neurodegenerative diseases. Lancet Neurol. 2019 Mar;18(3):307-318. doi: 10.1016/S1474-4422(18)30461-7. Epub 2019 Feb 12. Review. PubMed PMID: 30784558; PubMed Central PMCID: PMC6426656.
Gao C, Terlizzese T, Scullin MK. Short sleep and late bedtimes are detrimental to educational learning and knowledge transfer: An investigation of individual differences in susceptibility. Chronobiol Int. 2019 Mar;36(3):307-318. doi: 10.1080/07420528.2018.1539401. Epub 2018 Nov 8. PubMed PMID: 30409040; PubMed Central PMCID: PMC6377305.
Li Y, Li P, Wang X, Karmakar C, Liu C, Liu C. Short-term QT interval variability in patients with coronary artery disease and congestive heart failure: a comparison with healthy control subjects. Med Biol Eng Comput. 2019 Feb;57(2):389-400. doi: 10.1007/s11517-018-1870-8. Epub 2018 Aug 25. PubMed PMID: 30143993.
2018
Scullin MK, Gao C. Dynamic Contributions of Slow Wave Sleep and REM Sleep to Cognitive Longevity. Curr Sleep Med Rep. 2018 Dec;4(4):284-293. doi: 10.1007/s40675-018-0131-6. Epub 2018 Oct 23. PubMed PMID: 31737466; PubMed Central PMCID: PMC6857934.
Wu JQ, Li P, Stavitsky Gilbert K, Hu K, Cronin-Golomb A. Circadian Rest-Activity Rhythms Predict Cognitive Function in Early Parkinson’s Disease Independently of Sleep. Mov Disord Clin Pract. 2018 Nov-Dec;5(6):614-619. doi: 10.1002/mdc3.12692. eCollection 2018 Nov-Dec. PubMed PMID: 30637282; PubMed Central PMCID: PMC6277371.
Li P, Yu L, Lim ASP, Buchman AS, Scheer FAJL, Shea SA, Schneider JA, Bennett DA, Hu K. Fractal regulation and incident Alzheimer’s disease in elderly individuals. Alzheimers Dement. 2018 Sep;14(9):1114-1125. doi: 10.1016/j.jalz.2018.03.010. Epub 2018 May 4. PubMed PMID: 29733807; PubMed Central PMCID: PMC6201319.
Pittman-Polletta B, Hu K, Kocsis B. Subunit-specific NMDAR antagonism dissociates schizophrenia subtype-relevant oscillopathies associated with frontal hypofunction and hippocampal hyperfunction. Sci Rep. 2018 Aug 2;8(1):11588. doi: 10.1038/s41598-018-29331-8. PubMed PMID: 30072757; PubMed Central PMCID: PMC6072790.
Moguilner S, García AM, Mikulan E, Hesse E, García-Cordero I, Melloni M, Cervetto S, Serrano C, Herrera E, Reyes P, Matallana D, Manes F, Ibáñez A, Sedeño L. Weighted Symbolic Dependence Metric (wSDM) for fMRI resting-state connectivity: A multicentric validation for frontotemporal dementia. Sci Rep. 2018 Jul 25;8(1):11181. doi: 10.1038/s41598-018-29538-9. PubMed PMID: 30046142; PubMed Central PMCID: PMC6060104.
Joustra SD, Gu C, Rohling JHT, Pickering L, Klose M, Hu K, Scheer FA, Feldt-Rasmussen U, Jennum PJ, Pereira AM, Biermasz NR, Meijer JH. Decrease in scale invariance of activity fluctuations with aging and in patients with suprasellar tumors. Chronobiol Int. 2018 Mar;35(3):368-377. doi: 10.1080/07420528.2017.1407779. Epub 2017 Nov 28. PubMed PMID: 29182371; PubMed Central PMCID: PMC5862770.
Lo MT, Bandin C, Yang HW, Scheer FAJL, Hu K, Garaulet M. CLOCK 3111T/C genetic variant influences the daily rhythm of autonomic nervous function: relevance to body weight control. Int J Obes (Lond). 2018 Feb;42(2):190-197. doi: 10.1038/ijo.2017.168. Epub 2017 Jul 24. PubMed PMID: 28736443; PubMed Central PMCID: PMC5799039.
Brindle RC, Cribbet MR, Samuelsson LB, Gao C, Frank E, Krafty RT, Thayer JF, Buysse DJ, Hall MH. The Relationship Between Childhood Trauma and Poor Sleep Health in Adulthood. Psychosom Med. 2018 Feb/Mar;80(2):200-207. doi: 10.1097/PSY.0000000000000542. PubMed PMID: 29215455; PubMed Central PMCID: PMC5794533.
Ji L, Liu C, Li P, Wang X, Liu C, Hou Y. Increased pulse wave transit time after percutaneous coronary intervention procedure in CAD patients. Sci Rep. 2018 Jan 8;8(1):115. doi: 10.1038/s41598-017-18520-6. PubMed PMID: 29311630; PubMed Central PMCID: PMC5758522.
Wang YH, Hu K, Lo MT. Uniform Phase Empirical Mode Decomposition: An Optimal Hybridization of Masking Signal and Ensemble Approaches. IEEE Access. 2018;6:34819-34833. doi: 10.1109/ACCESS.2018.2847634. Epub 2018 Jun 15. PubMed PMID: 31106103; PubMed Central PMCID: PMC6521981.
Akeju O, Hobbs LE, Gao L, Burns SM, Pavone KJ, Plummer GS, Walsh EC, Houle TT, Kim SE, Bianchi MT, Ellenbogen JM, Brown EN. Dexmedetomidine promotes biomimetic non-rapid eye movement stage 3 sleep in humans: A pilot study. Clin Neurophysiol. 2018 Jan;129(1):69-78. doi: 10.1016/j.clinph.2017.10.005. Epub 2017 Oct 20. PubMed PMID: 29154132; PubMed Central PMCID: PMC5743618.
Zheng D, Chen F, Li P, Peng SY. Advanced Signal Processing for Cardiovascular and Neurological Diseases. Comput Math Methods Med. 2018;2018:3416540. doi: 10.1155/2018/3416540. eCollection 2018. PubMed PMID: 30073030; PubMed Central PMCID: PMC6057415.
Wang X, Yan C, Shi B, Liu C, Karmakar C, Li P. Does the Temporal Asymmetry of Short-Term Heart Rate Variability Change during Regular Walking? A Pilot Study of Healthy Young Subjects. Comput Math Methods Med. 2018;2018:3543048. doi: 10.1155/2018/3543048. eCollection 2018. PubMed PMID: 29853984; PubMed Central PMCID: PMC5952585.
Li P, Karmakar C, Yearwood J, Venkatesh S, Palaniswami M, Liu C. Detection of epileptic seizure based on entropy analysis of short-term EEG. PLoS One. 2018;13(3):e0193691. doi: 10.1371/journal.pone.0193691. eCollection 2018. PubMed PMID: 29543825; PubMed Central PMCID: PMC5854404.
2017
Gao L, Smielewski P, Czosnyka M, Ercole A. Early Asymmetric Cardio-Cerebral Causality and Outcome after Severe Traumatic Brain Injury. J Neurotrauma. 2017 Oct 1;34(19):2743-2752. doi: 10.1089/neu.2016.4787. Epub 2017 May 17. PubMed PMID: 28330412.
Yan C, Li P, Ji L, Yao L, Karmakar C, Liu C. Area asymmetry of heart rate variability signal. Biomed Eng Online. 2017 Sep 21;16(1):112. doi: 10.1186/s12938-017-0402-3. PubMed PMID: 28934961; PubMed Central PMCID: PMC5607847.
Sedeño L, Piguet O, Abrevaya S, Desmaras H, García-Cordero I, Baez S, Alethia de la Fuente L, Reyes P, Tu S, Moguilner S, Lori N, Landin-Romero R, Matallana D, Slachevsky A, Torralva T, Chialvo D, Kumfor F, García AM, Manes F, Hodges JR, Ibanez A. Tackling variability: A multicenter study to provide a gold-standard network approach for frontotemporal dementia. Hum Brain Mapp. 2017 Aug;38(8):3804-3822. doi: 10.1002/hbm.23627. Epub 2017 May 5. PubMed PMID: 28474365; PubMed Central PMCID: PMC6867023.
Li P, Morris CJ, Patxot M, Yugay T, Mistretta J, Purvis TE, Scheer FAJL, Hu K. Reduced Tolerance to Night Shift in Chronic Shift Workers: Insight From Fractal Regulation. Sleep. 2017 Jul 1;40(7). doi: 10.1093/sleep/zsx092. PubMed PMID: 28838129; PubMed Central PMCID: PMC6317507.
Peng Li, Lei Yu, Yang Li, Karmakar C, Changchun Liu. Increased beat-to-beat variation in diastolic phase percentages in patients with congestive heart failure. Annu Int Conf IEEE Eng Med Biol Soc. 2017 Jul;2017:1328-1331. doi: 10.1109/EMBC.2017.8037077. PubMed PMID: 29060121.
Morris CJ, Purvis TE, Mistretta J, Hu K, Scheer FAJL. Circadian Misalignment Increases C-Reactive Protein and Blood Pressure in Chronic Shift Workers. J Biol Rhythms. 2017 Apr;32(2):154-164. doi: 10.1177/0748730417697537. Epub 2017 Mar 27. PubMed PMID: 28347188; PubMed Central PMCID: PMC5858578.
Hashmi JA, Loggia ML, Khan S, Gao L, Kim J, Napadow V, Brown EN, Akeju O. Dexmedetomidine Disrupts the Local and Global Efficiencies of Large-scale Brain Networks. Anesthesiology. 2017 Mar;126(3):419-430. doi: 10.1097/ALN.0000000000001509. PubMed PMID: 28092321; PubMed Central PMCID: PMC5309134.
Li P, To T, Chiang WY, Escobar C, Buijs RM, Hu K. Fractal Regulation in Temporal Activity Fluctuations: A Biomarker for Circadian Control and Beyond. JSM Biomark. 2017;3(1). Epub 2017 Jan 17. PubMed PMID: 28553673; PubMed Central PMCID: PMC5443249.
Pavone KJ, Su L, Gao L, Eromo E, Vazquez R, Rhee J, Hobbs LE, Ibala R, Demircioglu G, Purdon PL, Brown EN, Akeju O. Lack of Responsiveness during the Onset and Offset of Sevoflurane Anesthesia Is Associated with Decreased Awake-Alpha Oscillation Power. Front Syst Neurosci. 2017;11:38. doi: 10.3389/fnsys.2017.00038. eCollection 2017. PubMed PMID: 28611601; PubMed Central PMCID: PMC5447687.
Karmakar C, Udhayakumar RK, Li P, Venkatesh S, Palaniswami M. Stability, Consistency and Performance of Distribution Entropy in Analysing Short Length Heart Rate Variability (HRV) Signal. Front Physiol. 2017;8:720. doi: 10.3389/fphys.2017.00720. eCollection 2017. PubMed PMID: 28979215; PubMed Central PMCID: PMC5611446.
Moguilner S, García AM, Mikulan E, Del Carmen García M, Vaucheret E, Amarillo Y, Bekinschtein TA, Ibáñez A. An unaware agenda: interictal consciousness impairments in epileptic patients. Neurosci Conscious. 2017;2017(1):niw024. doi: 10.1093/nc/niw024. eCollection 2017. PubMed PMID: 30042834; PubMed Central PMCID: PMC6007167.
2016
Gao L, Smielewski P, Czosnyka M, Ercole A. Cerebrovascular Signal Complexity Six Hours after Intensive Care Unit Admission Correlates with Outcome after Severe Traumatic Brain Injury. J Neurotrauma. 2016 Nov 15;33(22):2011-2018. doi: 10.1089/neu.2015.4228. Epub 2016 Apr 19. PubMed PMID: 26916703.
Li P, Li K, Liu C, Zheng D, Li ZM, Liu C. Detection of Coupling in Short Physiological Series by a Joint Distribution Entropy Method. IEEE Trans Biomed Eng. 2016 Nov;63(11):2231-2242. doi: 10.1109/TBME.2016.2515543. Epub 2016 Jan 7. PubMed PMID: 26760967.
Lin C, Chang YC, Cheng YC, Lai PJ, Yeh CH, Hsieh WH, Hu K, Wu JT, Lee HH, Lo MT, Ho YL. Probing the Fractal Pattern of Heartbeats in Drosophila Pupae by Visible Optical Recording System. Sci Rep. 2016 Aug 18;6:31950. doi: 10.1038/srep31950. PubMed PMID: 27535299; PubMed Central PMCID: PMC4989149.
Yeh CH, Lo MT, Hu K. Spurious cross-frequency amplitude-amplitude coupling in nonstationary, nonlinear signals. Physica A. 2016 Jul 15;454:143-150. doi: 10.1016/j.physa.2016.02.012. PubMed PMID: 27103757; PubMed Central PMCID: PMC4834901.
Hu K, Riemersma-van der Lek RF, Patxot M, Li P, Shea SA, Scheer FA, Van Someren EJ. Progression of Dementia Assessed by Temporal Correlations of Physical Activity: Results From a 3.5-Year, Longitudinal Randomized Controlled Trial. Sci Rep. 2016 Jun 13;6:27742. doi: 10.1038/srep27742. PubMed PMID: 27292543; PubMed Central PMCID: PMC4904193.
Huang NE, Hu K, Yang AC, Chang HC, Jia D, Liang WK, Yeh JR, Kao CL, Juan CH, Peng CK, Meijer JH, Wang YH, Long SR, Wu Z. On Holo-Hilbert spectral analysis: a full informational spectral representation for nonlinear and non-stationary data. Philos Trans A Math Phys Eng Sci. 2016 Apr 13;374(2065):20150206. doi: 10.1098/rsta.2015.0206. PubMed PMID: 26953180; PubMed Central PMCID: PMC4792412.
Chen MC, Chiang WY, Yugay T, Patxot M, Özçivit İB, Hu K, Lu J. Anterior Insula Regulates Multiscale Temporal Organization of Sleep and Wake Activity. J Biol Rhythms. 2016 Apr;31(2):182-93. doi: 10.1177/0748730415627035. Epub 2016 Jan 29. PubMed PMID: 26825619; PubMed Central PMCID: PMC4803073.
Morris CJ, Purvis TE, Hu K, Scheer FA. Circadian misalignment increases cardiovascular disease risk factors in humans. Proc Natl Acad Sci U S A. 2016 Mar 8;113(10):E1402-11. doi: 10.1073/pnas.1516953113. Epub 2016 Feb 8. PubMed PMID: 26858430; PubMed Central PMCID: PMC4790999.
Lo MT, Chiang WY, Hsieh WH, Escobar C, Buijs RM, Hu K. Interactive Effects of Dorsomedial Hypothalamic Nucleus and Time-Restricted Feeding on Fractal Motor Activity Regulation. Front Physiol. 2016;7:174. doi: 10.3389/fphys.2016.00174. eCollection 2016. PubMed PMID: 27242548; PubMed Central PMCID: PMC4870237.
Yeh CH, Hung CY, Wang YH, Hsu WT, Chang YC, Yeh JR, Lee PL, Hu K, Kang JH, Lo MT. Novel application of a Wii remote to measure spasticity with the pendulum test: Proof of concept. Gait Posture. 2016 Jan;43:70-5. doi: 10.1016/j.gaitpost.2015.10.025. Epub 2015 Nov 6. PubMed PMID: 26669955; PubMed Central PMCID: PMC5158180.
Holmes ML, Manor B, Hsieh WH, Hu K, Lipsitz LA, Li L. Tai Chi training reduced coupling between respiration and postural control. Neurosci Lett. 2016 Jan 1;610:60-5. doi: 10.1016/j.neulet.2015.10.053. Epub 2015 Oct 28. PubMed PMID: 26518241; PubMed Central PMCID: PMC4695235.
Li P, Karmakar C, Yan C, Palaniswami M, Liu C. Classification of 5-S Epileptic EEG Recordings Using Distribution Entropy and Sample Entropy. Front Physiol. 2016;7:136. doi: 10.3389/fphys.2016.00136. eCollection 2016. PubMed PMID: 27148074; PubMed Central PMCID: PMC4830849.
2015
Ji L, Liu C, Li P, Wang X, Yan C, Liu C. Comparison of heart rate variability between resting state and external-cuff-inflation-and-deflation state: a pilot study. Physiol Meas. 2015 Oct;36(10):2135-46. doi: 10.1088/0967-3334/36/10/2135. Epub 2015 Sep 3. PubMed PMID: 26333766.
Wang JL, Lim AS, Chiang WY, Hsieh WH, Lo MT, Schneider JA, Buchman AS, Bennett DA, Hu K, Saper CB. Suprachiasmatic neuron numbers and rest-activity circadian rhythms in older humans. Ann Neurol. 2015 Aug;78(2):317-22. doi: 10.1002/ana.24432. Epub 2015 Jun 18. PubMed PMID: 25921596; PubMed Central PMCID: PMC4515161.
Ji L, Li P, Li K, Wang X, Liu C. Analysis of short-term heart rate and diastolic period variability using a refined fuzzy entropy method. Biomed Eng Online. 2015 Jul 1;14:64. doi: 10.1186/s12938-015-0063-z. PubMed PMID: 26126807; PubMed Central PMCID: PMC4487860.
Lo MT, Chang YC, Lin C, Young HW, Lin YH, Ho YL, Peng CK, Hu K. Outlier-resilient complexity analysis of heartbeat dynamics. Sci Rep. 2015 Mar 6;5:8836. doi: 10.1038/srep08836. PubMed PMID: 25744292; PubMed Central PMCID: PMC4351527.
Gu C, Coomans CP, Hu K, Scheer FA, Stanley HE, Meijer JH. Lack of exercise leads to significant and reversible loss of scale invariance in both aged and young mice. Proc Natl Acad Sci U S A. 2015 Feb 24;112(8):2320-4. doi: 10.1073/pnas.1424706112. Epub 2015 Feb 9. PubMed PMID: 25675516; PubMed Central PMCID: PMC4345576.
Li P, Liu C, Li K, Zheng D, Liu C, Hou Y. Assessing the complexity of short-term heartbeat interval series by distribution entropy. Med Biol Eng Comput. 2015 Jan;53(1):77-87. doi: 10.1007/s11517-014-1216-0. Epub 2014 Oct 29. PubMed PMID: 25351477.
Li P, Yan C, Karmakar C, Liu C. Distribution entropy analysis of epileptic EEG signals. Annu Int Conf IEEE Eng Med Biol Soc. 2015;2015:4170-3. doi: 10.1109/EMBC.2015.7319313. PubMed PMID: 26737213.
2014
Mahalingam S, Gao L, Nageshwaran S, Vickers C, Bottomley T, Grewal P. Improving pressure ulcer risk assessment and management using the Waterlow scale at a London teaching hospital. J Wound Care. 2014 Dec;23(12):613-22. doi: 10.12968/jowc.2014.23.12.613. PubMed PMID: 25492277.
Akeju O, Pavone KJ, Westover MB, Vazquez R, Prerau MJ, Harrell PG, Hartnack KE, Rhee J, Sampson AL, Habeeb K, Gao L, Pierce ET, Walsh JL, Brown EN, Purdon PL. A comparison of propofol- and dexmedetomidine-induced electroencephalogram dynamics using spectral and coherence analysis. Anesthesiology. 2014 Nov;121(5):978-89. doi: 10.1097/ALN.0000000000000419. PubMed PMID: 25187999; PubMed Central PMCID: PMC4304638.
Liu C, Li P, Di Maria C, Zhao L, Zhang H, Chen Z. A multi-step method with signal quality assessment and fine-tuning procedure to locate maternal and fetal QRS complexes from abdominal ECG recordings. Physiol Meas. 2014 Aug;35(8):1665-83. doi: 10.1088/0967-3334/35/8/1665. Epub 2014 Jul 29. PubMed PMID: 25069817.
Hsieh WH, Escobar C, Yugay T, Lo MT, Pittman-Polletta B, Salgado-Delgado R, Scheer FA, Shea SA, Buijs RM, Hu K. Simulated shift work in rats perturbs multiscale regulation of locomotor activity. J R Soc Interface. 2014 Jul 6;11(96). doi: 10.1098/rsif.2014.0318. PubMed PMID: 24829282; PubMed Central PMCID: PMC4032547.
Pittman-Polletta B, Hsieh WH, Kaur S, Lo MT, Hu K. Detecting phase-amplitude coupling with high frequency resolution using adaptive decompositions. J Neurosci Methods. 2014 Apr 15;226:15-32. doi: 10.1016/j.jneumeth.2014.01.006. Epub 2014 Jan 19. PubMed PMID: 24452055; PubMed Central PMCID: PMC4048932.
Sun X, Li K, Ren H, Li P, Wang X, Liu C. Influence of timing algorithm on brachialankle pulse wave velocity measurement. Biomed Mater Eng. 2014;24(1):255-61. doi: 10.3233/BME-130806. PubMed PMID: 24211905.
2013
Heli V, Ihab H, Kun H, Brad M, Jessica W, Vera N. Effects of exercise program on physiological functions in postmenopausal women with metabolic syndrome. Int J Gerontol. 2013 Dec;7(4):231-235. doi: 10.1016/j.ijge.2013.05.002. PubMed PMID: 24634702; PubMed Central PMCID: PMC3951020.
Pittman-Polletta BR, Scheer FA, Butler MP, Shea SA, Hu K. The role of the circadian system in fractal neurophysiological control. Biol Rev Camb Philos Soc. 2013 Nov;88(4):873-94. doi: 10.1111/brv.12032. Epub 2013 Apr 10. Review. PubMed PMID: 23573942; PubMed Central PMCID: PMC3766492.
Liu C, Zheng D, Zhao L, Li P, Li B, Murray A, Liu C. Elastic properties of peripheral arteries in heart failure patients in comparison with normal subjects. J Physiol Sci. 2013 May;63(3):195-201. doi: 10.1007/s12576-013-0254-y. Epub 2013 Mar 22. PubMed PMID: 23519698; PubMed Central PMCID: PMC10717337.
Li P, Liu C, Wang X, Li L, Yang L, Chen Y, Liu C. Testing pattern synchronization in coupled systems through different entropy-based measures. Med Biol Eng Comput. 2013 May;51(5):581-91. doi: 10.1007/s11517-012-1028-z. Epub 2013 Jan 22. PubMed PMID: 23337958.
Zhou J, Manor B, Liu D, Hu K, Zhang J, Fang J. The complexity of standing postural control in older adults: a modified detrended fluctuation analysis based upon the empirical mode decomposition algorithm. PLoS One. 2013;8(5):e62585. doi: 10.1371/journal.pone.0062585. Print 2013. PubMed PMID: 23650518; PubMed Central PMCID: PMC3641070.
Hu K, Harper DG, Shea SA, Stopa EG, Scheer FA. Noninvasive fractal biomarker of clock neurotransmitter disturbance in humans with dementia. Sci Rep. 2013;3:2229. doi: 10.1038/srep02229. PubMed PMID: 23863985; PubMed Central PMCID: PMC3714649.
2012
Manor BD, Hu K, Peng CK, Lipsitz LA, Novak V. Posturo-respiratory synchronization: effects of aging and stroke. Gait Posture. 2012 Jun;36(2):254-9. doi: 10.1016/j.gaitpost.2012.03.002. Epub 2012 Apr 3. PubMed PMID: 22475726; PubMed Central PMCID: PMC3387343.
Jeyaraj D, Haldar SM, Wan X, McCauley MD, Ripperger JA, Hu K, Lu Y, Eapen BL, Sharma N, Ficker E, Cutler MJ, Gulick J, Sanbe A, Robbins J, Demolombe S, Kondratov RV, Shea SA, Albrecht U, Wehrens XH, Rosenbaum DS, Jain MK. Circadian rhythms govern cardiac repolarization and arrhythmogenesis. Nature. 2012 Feb 22;483(7387):96-9. doi: 10.1038/nature10852. PubMed PMID: 22367544; PubMed Central PMCID: PMC3297978.
Hu K, Meijer JH, Shea SA, vanderLeest HT, Pittman-Polletta B, Houben T, van Oosterhout F, Deboer T, Scheer FA. Fractal patterns of neural activity exist within the suprachiasmatic nucleus and require extrinsic network interactions. PLoS One. 2012;7(11):e48927. doi: 10.1371/journal.pone.0048927. Epub 2012 Nov 20. PubMed PMID: 23185285; PubMed Central PMCID: PMC3502397.
Aoi MC, Hu K, Lo MT, Selim M, Olufsen MS, Novak V. Impaired cerebral autoregulation is associated with brain atrophy and worse functional status in chronic ischemic stroke. PLoS One. 2012;7(10):e46794. doi: 10.1371/journal.pone.0046794. Epub 2012 Oct 11. PubMed PMID: 23071639; PubMed Central PMCID: PMC3469603.
Hu K, Lo MT, Peng CK, Liu Y, Novak V. A nonlinear dynamic approach reveals a long-term stroke effect on cerebral blood flow regulation at multiple time scales. PLoS Comput Biol. 2012;8(7):e1002601. doi: 10.1371/journal.pcbi.1002601. Epub 2012 Jul 12. PubMed PMID: 22807666; PubMed Central PMCID: PMC3395609.
2011
Rissanen SM, Kankaanpää M, Tarvainen MP, Novak V, Novak P, Hu K, Manor B, Airaksinen O, Karjalainen PA. Analysis of EMG and acceleration signals for quantifying the effects of deep brain stimulation in Parkinson’s disease. IEEE Trans Biomed Eng. 2011 Sep;58(9):2545-53. doi: 10.1109/TBME.2011.2159380. Epub 2011 Jun 13. PubMed PMID: 21672674; PubMed Central PMCID: PMC3873135.
Shea SA, Hilton MF, Hu K, Scheer FA. Existence of an endogenous circadian blood pressure rhythm in humans that peaks in the evening. Circ Res. 2011 Apr 15;108(8):980-4. doi: 10.1161/CIRCRESAHA.110.233668. Epub 2011 Apr 7. PubMed PMID: 21474818; PubMed Central PMCID: PMC3086568.
Hu K, Scheer FA, Laker M, Smales C, Shea SA. Endogenous circadian rhythm in vasovagal response to head-up tilt. Circulation. 2011 Mar 8;123(9):961-70. doi: 10.1161/CIRCULATIONAHA.110.943019. Epub 2011 Feb 21. PubMed PMID: 21339480; PubMed Central PMCID: PMC3089897.
Gao L, Elwellelwell CE, Kohl-Bareis M, Gramer M, Cooper CE, Leung TS, Tachtsidis I. Effects of assuming constant optical scattering on haemoglobin concentration measurements using NIRS during a Valsalva manoeuvre. Adv Exp Med Biol. 2011;701:15-20. doi: 10.1007/978-1-4419-7756-4_3. PubMed PMID: 21445764; PubMed Central PMCID: PMC4038016.
2010 and before
Manor B, Costa MD, Hu K, Newton E, Starobinets O, Kang HG, Peng CK, Novak V, Lipsitz LA. Physiological complexity and system adaptability: evidence from postural control dynamics of older adults. J Appl Physiol (1985). 2010 Dec;109(6):1786-91. doi: 10.1152/japplphysiol.00390.2010. Epub 2010 Oct 14. PubMed PMID: 20947715; PubMed Central PMCID: PMC3006415.
Scheer FA, Hu K, Evoniuk H, Kelly EE, Malhotra A, Hilton MF, Shea SA. Impact of the human circadian system, exercise, and their interaction on cardiovascular function. Proc Natl Acad Sci U S A. 2010 Nov 23;107(47):20541-6. doi: 10.1073/pnas.1006749107. Epub 2010 Nov 8. PubMed PMID: 21059915; PubMed Central PMCID: PMC2996667.
Lin LY, Lo MT, Ko PC, Lin C, Chiang WC, Liu YB, Hu K, Lin JL, Chen WJ, Ma MH. Detrended fluctuation analysis predicts successful defibrillation for out-of-hospital ventricular fibrillation cardiac arrest. Resuscitation. 2010 Mar;81(3):297-301. doi: 10.1016/j.resuscitation.2009.12.003. Epub 2010 Jan 13. PubMed PMID: 20071067.
Manor B, Hu K, Zhao P, Selim M, Alsop D, Novak P, Lipsitz L, Novak V. Altered control of postural sway following cerebral infarction: a cross-sectional analysis. Neurology. 2010 Feb 9;74(6):458-64. doi: 10.1212/WNL.0b013e3181cef647. PubMed PMID: 20142612; PubMed Central PMCID: PMC2830917.
Novak V, Hu K, Desrochers L, Novak P, Caplan L, Lipsitz L, Selim M. Cerebral flow velocities during daily activities depend on blood pressure in patients with chronic ischemic infarctions. Stroke. 2010 Jan;41(1):61-6. doi: 10.1161/STROKEAHA.109.565556. Epub 2009 Dec 3. PubMed PMID: 19959536; PubMed Central PMCID: PMC2811046.
Tachtsidis I, Gao L, Leung TS, Kohl-Bareis M, Cooper CE, Elwell CE. A hybrid multi-distance phase and broadband spatially resolved spectrometer and algorithm for resolving absolute concentrations of chromophores in the near-infrared light spectrum. Adv Exp Med Biol. 2010;662:169-75. doi: 10.1007/978-1-4419-1241-1_24. PubMed PMID: 20204788; PubMed Central PMCID: PMC4038020.
Novak V, Haertle M, Zhao P, Hu K, Munshi M, Novak P, Abduljalil A, Alsop D. White matter hyperintensities and dynamics of postural control. Magn Reson Imaging. 2009 Jul;27(6):752-9. doi: 10.1016/j.mri.2009.01.010. Epub 2009 Feb 28. PubMed PMID: 19250785; PubMed Central PMCID: PMC2727871.
Lo MT, Novak V, Peng CK, Liu Y, Hu K. Nonlinear phase interaction between nonstationary signals: a comparison study of methods based on Hilbert-Huang and Fourier transforms. Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Jun;79(6 Pt 1):061924. doi: 10.1103/PhysRevE.79.061924. Epub 2009 Jun 29. PubMed PMID: 19658541; PubMed Central PMCID: PMC2730740.
Hu K, Van Someren EJ, Shea SA, Scheer FA. Reduction of scale invariance of activity fluctuations with aging and Alzheimer’s disease: Involvement of the circadian pacemaker. Proc Natl Acad Sci U S A. 2009 Feb 24;106(8):2490-4. doi: 10.1073/pnas.0806087106. Epub 2009 Feb 6. PubMed PMID: 19202078; PubMed Central PMCID: PMC2650290.
Zhao P, Alsop DC, Abduljalil A, Selim M, Lipsitz L, Novak P, Caplan L, Hu K, Novak V. Vasoreactivity and peri-infarct hyperintensities in stroke. Neurology. 2009 Feb 17;72(7):643-9. doi: 10.1212/01.wnl.0000342473.65373.80. PubMed PMID: 19221298; PubMed Central PMCID: PMC2677535.
Hu K, Lo MT, Peng CK, Novak V, Schmidt EA, Kumar A, Czosnyka M. Nonlinear pressure-flow relationship is able to detect asymmetry of brain blood circulation associated with midline shift. J Neurotrauma. 2009 Feb 11;26(2):227-33. doi: 10.1089/neu.2008.0643. PubMed PMID: 19196074; PubMed Central PMCID: PMC2788024.
Hu K, Scheer FA, Buijs RM, Shea SA. The circadian pacemaker generates similar circadian rhythms in the fractal structure of heart rate in humans and rats. Cardiovasc Res. 2008 Oct 1;80(1):62-8. doi: 10.1093/cvr/cvn150. Epub 2008 Jun 6. PubMed PMID: 18539630; PubMed Central PMCID: PMC2732059.
Hu K, Scheer FA, Buijs RM, Shea SA. The endogenous circadian pacemaker imparts a scale-invariant pattern of heart rate fluctuations across time scales spanning minutes to 24 hours. J Biol Rhythms. 2008 Jun;23(3):265-73. doi: 10.1177/0748730408316166. PubMed PMID: 18487418; PubMed Central PMCID: PMC2885843.
Hu K, Peng CK, Huang NE, Wu Z, Lipsitz LA, Cavallerano J, Novak V. Altered Phase Interactions between Spontaneous Blood Pressure and Flow Fluctuations in Type 2 Diabetes Mellitus: Nonlinear Assessment of Cerebral Autoregulation. Physica A. 2008 Apr 1;387(10):2279-2292. doi: 10.1016/j.physa.2007.11.052. PubMed PMID: 18432311; PubMed Central PMCID: PMC2329796.
Hu K, Peng CK, Czosnyka M, Zhao P, Novak V. Nonlinear assessment of cerebral autoregulation from spontaneous blood pressure and cerebral blood flow fluctuations. Cardiovasc Eng. 2008 Mar;8(1):60-71. doi: 10.1007/s10558-007-9045-5. PubMed PMID: 18080758; PubMed Central PMCID: PMC2765466.
Lo MT, Hu K, Liu Y, Peng CK, Novak V. Multimodal Pressure Flow Analysis: Application of Hilbert Huang Transform in Cerebral Blood Flow Regulation. EURASIP J Adv Signal Process. 2008;2008:785243. doi: 10.1155/2008/785243. PubMed PMID: 18725996; PubMed Central PMCID: PMC2518653.
Ivanov PCh, Hu K, Hilton MF, Shea SA, Stanley HE. Endogenous circadian rhythm in human motor activity uncoupled from circadian influences on cardiac dynamics. Proc Natl Acad Sci U S A. 2007 Dec 26;104(52):20702-7. doi: 10.1073/pnas.0709957104. Epub 2007 Dec 19. PubMed PMID: 18093917; PubMed Central PMCID: PMC2410066.
Hu K, Scheer FA, Ivanov PCh, Buijs RM, Shea SA. The suprachiasmatic nucleus functions beyond circadian rhythm generation. Neuroscience. 2007 Nov 9;149(3):508-17. doi: 10.1016/j.neuroscience.2007.03.058. Epub 2007 Oct 24. PubMed PMID: 17920204; PubMed Central PMCID: PMC2759975.
Last D, Alsop DC, Abduljalil AM, Marquis RP, de Bazelaire C, Hu K, Cavallerano J, Novak V. Global and regional effects of type 2 diabetes on brain tissue volumes and cerebral vasoreactivity. Diabetes Care. 2007 May;30(5):1193-9. doi: 10.2337/dc06-2052. Epub 2007 Feb 8. PubMed PMID: 17290035; PubMed Central PMCID: PMC2031924.
Novak V, Hu K, Vyas M, Lipsitz LA. Cardiolocomotor coupling in young and elderly people. J Gerontol A Biol Sci Med Sci. 2007 Jan;62(1):86-92. doi: 10.1093/gerona/62.1.86. PubMed PMID: 17301044; PubMed Central PMCID: PMC2276582.
Novak V, Last D, Alsop DC, Abduljalil AM, Hu K, Lepicovsky L, Cavallerano J, Lipsitz LA. Cerebral blood flow velocity and periventricular white matter hyperintensities in type 2 diabetes. Diabetes Care. 2006 Jul;29(7):1529-34. doi: 10.2337/dc06-0261. PubMed PMID: 16801574; PubMed Central PMCID: PMC1978169.
Xu L, Chen Z, Hu K, Stanley HE, Ivanov PCh. Spurious detection of phase synchronization in coupled nonlinear oscillators. Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Jun;73(6 Pt 2):065201. doi: 10.1103/PhysRevE.73.065201. Epub 2006 Jun 26. PubMed PMID: 16906897.
Chen Z, Hu K, Stanley HE, Novak V, Ivanov PCh. Cross-correlation of instantaneous phase increments in pressure-flow fluctuations: applications to cerebral autoregulation. Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Mar;73(3 Pt 1):031915. doi: 10.1103/PhysRevE.73.031915. Epub 2006 Mar 15. PubMed PMID: 16605566; PubMed Central PMCID: PMC2140229.
Hessert MJ, Vyas M, Leach J, Hu K, Lipsitz LA, Novak V. Foot pressure distribution during walking in young and old adults. BMC Geriatr. 2005 May 19;5:8. doi: 10.1186/1471-2318-5-8. PubMed PMID: 15943881; PubMed Central PMCID: PMC1173105.
Xu L, Ivanov PCh, Hu K, Chen Z, Carbone A, Stanley HE. Quantifying signals with power-law correlations: a comparative study of detrended fluctuation analysis and detrended moving average techniques. Phys Rev E Stat Nonlin Soft Matter Phys. 2005 May;71(5 Pt 1):051101. doi: 10.1103/PhysRevE.71.051101. Epub 2005 May 6. PubMed PMID: 16089515.
Chen Z, Hu K, Carpena P, Bernaola-Galvan P, Stanley HE, Ivanov PCh. Effect of nonlinear filters on detrended fluctuation analysis. Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Jan;71(1 Pt 1):011104. doi: 10.1103/PhysRevE.71.011104. Epub 2005 Jan 12. PubMed PMID: 15697577.
Hu K, Ivanov PCh, Hilton MF, Chen Z, Ayers RT, Stanley HE, Shea SA. Endogenous circadian rhythm in an index of cardiac vulnerability independent of changes in behavior. Proc Natl Acad Sci U S A. 2004 Dec 28;101(52):18223-7. doi: 10.1073/pnas.0408243101. Epub 2004 Dec 20. PubMed PMID: 15611476; PubMed Central PMCID: PMC539796.
Angelini L, de Tommaso M, Guido M, Hu K, Ivanov PCh, Marinazzo D, Nardulli G, Nitti L, Pellicoro M, Pierro C, Stramaglia S. Steady-state visual evoked potentials and phase synchronization in migraine patients. Phys Rev Lett. 2004 Jul 16;93(3):038103. doi: 10.1103/PhysRevLett.93.038103. Epub 2004 Jul 15. PubMed PMID: 15323876.
Hu K, Ivanov PCh, Chen Z, Hilton MF, Stanley HE, Shea SA. Non-random fluctuations and multi-scale dynamics regulation of human activity. Physica A. 2004 Jun;337(1-2):307-18. doi: 10.1016/j.physa.2004.01.042. PubMed PMID: 15759365; PubMed Central PMCID: PMC2749944.
Chen Z, Ivanov PCh, Hu K, Stanley HE. Effect of nonstationarities on detrended fluctuation analysis. Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Apr;65(4 Pt 1):041107. doi: 10.1103/PhysRevE.65.041107. Epub 2002 Apr 8. PubMed PMID: 12005806.
Hu K, Ivanov PC, Chen Z, Carpena P, Stanley HE. Effect of trends on detrended fluctuation analysis. Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Jul;64(1 Pt 1):011114. doi: 10.1103/PhysRevE.64.011114. Epub 2001 Jun 26. PubMed PMID: 11461232.