Harvard Title
Associate Professor of Medicine
Administrative and Hospital Titles
Physiologist, Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital
Director, Medical Biodynamics Program, Brigham and Women's Hospital
Lead Investigator, Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital
Address
FAS - Harvard
Northwest Lab Building
52 Oxford Street
Cambridge MA 02138
Publications View
Assessment of nonlinear phase interaction between nonstationary signals: A comparison study of methods based on Hilbert-Huang and Fourier transforms
Authors: Lo M-T, Novak V, Peng CK, Liu Y, Hu K
Phys Rev E
Phys Rev E
Reduction of scale-invariance of activity fluctuations with aging and Alzheimer's disease: involvement of the circadian pacemaker
Authors: Hu K, Van Someren E,JW Shea SA, Scheer FAJL
Proc Natl Acad Sci
Proc Natl Acad Sci
The circadian pacemaker generates similar circadian rhythms in the fractal structure of heart rate in humans and rats.
The endogenous circadian pacemaker imparts a scale-invariant pattern of heart rate fluctuations across time scales spanning minutes to 24 hours.
Altered Phase Interactions between Spontaneous Blood Pressure and Flow Fluctuations in Type 2 Diabetes Mellitus: Nonlinear Assessment of Cerebral Autoregulation.
Authors: Hu K, Peng CK, Huang NE, Wu Z, Lipsitz LA, Cavallerano J, Novak V.
Physica A
View full abstract on Pubmed
Physica A
View full abstract on Pubmed
Nonlinear assessment of cerebral autoregulation from spontaneous blood pressure and cerebral blood flow fluctuations.
The Circadian Pacemaker Generates an Endogenous Circadian Rhythm in the Fractal Structure of Heart Rate in Nocturnal Rats
Authors: Hu K, Scheer FAJL, Buijs RM, Shea SA
Cardiovascular Research
Cardiovascular Research
Influence of endogenous circadian system, physical exercise, and their interaction on cardiovascular risk factors
Authors: Scheer FA, Hu K, Evoniuk H, Kelly EE, Malhotra A, Hahn M, Laker MD, Patel Y, Smales C, Shea SA
Sleep
Sleep
Altered Phase Interactions between Spontaneous Blood Pressure and Flow Fluctuations in Type 2 Diabetes Mellitus: Nonlinear Assessment of Cerebral Autoregulation
Authors: Hu K, Peng CK, Huang NE, Wu Z, Lipsitz LA, Cavallerano J, Novak V
Physica A
Physica A
Endogenous circadian rhythm of activity in humans
Authors: Shea SA, Hu K, Scheer FA
Sleep
Sleep