Results 91 to 100 of about 69,248 (270)

The impact of sleep health on cardiovascular and all-cause mortality in the general population

open access: yesScientific Reports
Sleep patterns are important predictors of long-term health outcomes. We investigated the associations of sleep duration, sleep regularity, and their combinations with all-cause mortality and cardiovascular events in a large Korean cohort, including sex ...
Soo Jung Park   +3 more
doaj   +1 more source

Fast Covariance Estimation for High-dimensional Functional Data [PDF]

open access: yes, 2013
For smoothing covariance functions, we propose two fast algorithms that scale linearly with the number of observations per function. Most available methods and software cannot smooth covariance matrices of dimension $J \times J$ with $J>500$; the ...
Crainiceanu, Ciprian   +3 more
core   +3 more sources

AI‐Assisted Self‐Powered Wearable Dual‐Mode Sensor With TENG and Stretchable Optical Fiber for Neurological Disorder Diagnostics

open access: yesAdvanced Science, EarlyView.
This manuscript presents the WDMS platform, an AI‐assisted, self‐powered wearable dual‐mode sensor for tele‐neurology. It integrates a contact–separation TENG insole with stretchable polyurethane optical‐fiber strain sensors to synchronously track plantar pressure and lower‐limb muscle deformation.
Tianliang Li   +12 more
wiley   +1 more source

Brain complexity born out of criticality

open access: yes, 2012
In this essay we elaborate on recent evidence demonstrating the presence of a second order phase transition in human brain dynamics and discuss its consequences for theoretical approaches to brain function.
Chialvo, Dante R., Tagliazucchi, Enzo
core   +1 more source

Paternal Caffeine Exposure Programs Offspring Stress Vulnerability via Sperm Dlk1‐Dio3 Imprinting‐Directed Remodeling of a Novel Neural Circuit

open access: yesAdvanced Science, EarlyView.
The study elucidates that paternal preconception stress can drive offspring hyperresponsivity of the stress system via hypomethylation of a specific DNA region in sperm. This key link is confirmed in a cohort of prospective fathers: the epigenetic alteration is associated with elevated stress hormone levels.
Mengxi Lu   +10 more
wiley   +1 more source

Device‐estimated sleep metrics do not mediate the relation between race and blood pressure dipping in young black and white women

open access: yesThe Journal of Clinical Hypertension
Short, disturbed, and irregular sleep may contribute to blunted nocturnal blood pressure (BP) dipping, a predictor of cardiovascular disease. Black women (BLW) demonstrate less BP dipping and poorer sleep health than White women (WHW).
Michele N. D'agata   +7 more
doaj   +1 more source

The Phenomenology of REM-sleep Dreaming: The Contributions of Personal and Perspectival Ownership, Subjective Temporality and Episodic Memory [PDF]

open access: yes, 2018
Although the dream narrative, of (bio)logical necessity, originates with the dreamer, s/he typically does not know this. For the dreamer, the dream world is the real world.
Klein, Stan
core  

Sleeping and thinking: An examination of insomnia symptoms, global sleep health and sleep regularity

open access: yesResearch Directions: Sleep Psychology
Abstract Introduction: Subjective cognition is a predictor of cognitive decline and previous work has identified age, education and depression as predictors of subjective cognition. This study aimed to investigate whether several sleep characteristics were associated with subjective cognition ...
Spencer Nielson   +2 more
openaire   +1 more source

Sleep regularity is a stronger predictor of mortality risk than sleep duration

open access: yesSleep, 2023
Abnormally short or long sleep durations have been associated with higher risks for premature mortality and achieving optimal sleep duration has been the focus for most sleep health guidelines. Emerging research has demonstrated that sleep regularity can be a stronger predictor for some health outcomes than sleep duration.
Windred, Daniel P.   +6 more
openaire   +1 more source

Wireless, Adaptable and Fully Implantable Battery‐powered Devices for Optical Stimulation of the Spinal Cord in Small Rodents

open access: yesAdvanced Science, EarlyView.
Current technologies for spinal cord optogenetic stimulation rely on external power sources and face reliability constraints in freely behaving animals. Here, a fully implantable, battery‐powered optoelectronic device is introduced, enabling operation in any selected environment with wireless recharging for months‐long stimulation.
Shahriar Shalileh   +8 more
wiley   +1 more source

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