A daily temperature rhythm in the human brain predicts survival after brain injury

NM Rzechorzek, MJ Thrippleton, FM Chappell, G Mair… - Brain, 2022 - academic.oup.com
Patients undergo interventions to achieve a 'normal'brain temperature; a parameter that
remains undefined for humans. The profound sensitivity of neuronal function to temperature …

Time of day is associated with paradoxical reductions in global signal fluctuation and functional connectivity

C Orban, R Kong, J Li, MWL Chee, BTT Yeo - PLoS biology, 2020 - journals.plos.org
The brain exhibits substantial diurnal variation in physiology and function, but neuroscience
studies rarely report or consider the effects of time of day. Here, we examined variation in …

Physiological and motion signatures in static and time-varying functional connectivity and their subject identifiability

A **fra-Porxas, M Kassinopoulos, GD Mitsis - Elife, 2021 - elifesciences.org
Human brain connectivity yields significant potential as a noninvasive biomarker. Several
studies have used fMRI-based connectivity fingerprinting to characterize individual patterns …

Comparison of diurnal variation, anatomical location, and biological sex within spontaneous and driven dynamic cerebral autoregulation measures

JS Burma, P Copeland, A Macaulay… - Physiological …, 2020 - Wiley Online Library
Presently, the literature describing the influence of diurnal variation on dynamic cerebral
autoregulation (dCA) metrics is sparse. Additionally, there is little data with respect to dCA …

Resting-state electroencephalography (EEG) microstates of healthy individuals following mild sleep deprivation

SY Khoo, WH Lai, SH On, YY On, BM Adam… - Scientific Reports, 2024 - nature.com
Mild sleep deprivation is widespread in many societies worldwide. Electroencephalography
(EEG) microstate analysis provides information on spatial and temporal characteristics of …

Impact of time-of-day on diffusivity measures of brain tissue derived from diffusion tensor imaging

C Thomas, N Sadeghi, A Nayak, A Trefler, J Sarlls… - Neuroimage, 2018 - Elsevier
Diurnal fluctuations in MRI measures of structural and functional properties of the brain have
been reported recently. These fluctuations may have a physiological origin, since they have …

[HTML][HTML] Diurnal variations of resting-state fMRI data: A graph-based analysis

FV Farahani, W Karwowski, M D'Esposito, RF Betzel… - Neuroimage, 2022 - Elsevier
Circadian rhythms (lasting approximately 24 h) control and entrain various physiological
processes, ranging from neural activity and hormone secretion to sleep cycles and eating …

Diurnal fluctuations in steroid hormones tied to variation in intrinsic functional connectivity in a densely sampled male

H Grotzinger, L Pritschet, P Shapturenka… - Journal of …, 2024 - Soc Neuroscience
Most of mammalian physiology is under the control of biological rhythms, including the
endocrine system with time-varying hormone secretion. Precision neuroimaging studies …

Negative life stress, sleep disturbance, and depressive symptoms: the moderating role of anterior insula activity in response to sleep-related stimuli

SY Kim, KH Lee, H Lee, JE Jeon, MH Lee, J Lee… - Journal of Affective …, 2022 - Elsevier
Background This study investigated the effects of anterior insula (AI) activation on the
association between stress and sleep disturbance as a neurobiological basis of the trait-like …

[HTML][HTML] Modulatory effects of fMRI acquisition time of day, week and year on adolescent functional connectomes across spatial scales: implications for inference

L Hu, ES Katz, C Stamoulis - NeuroImage, 2023 - Elsevier
Metabolic, hormonal, autonomic and physiological rhythms may have a significant impact on
cerebral hemodynamics and intrinsic brain synchronization measured with fMRI (the resting …