Daily rhythm of cerebral blood flow velocity期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Daily rhythm of cerebral blood flow velocity

Authors:	Deirdre?A?Conroy author-information" > author-information__contact u-icon-before" > mailto:deirdre.conroy@att.net" title=" deirdre.conroy@att.net" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Arthur?J?Spielman,Rebecca?Q?Scott

Affiliation:	(1) Department of Psychology, The Graduate School and University Center of the City University of New York, New York, USA;(2) Department of Neurology and Neuroscience, New York Presbyterian Hospital, New York, USA;(3) Department of Health Psychology, Albert Einstein Medical College at Yeshiva University, Bronx, USA

Abstract:	Background CBFV (cerebral blood flow velocity) is lower in the morning than in the afternoon and evening. Two hypotheses have been proposed to explain the time of day changes in CBFV: 1) CBFV changes are due to sleep-associated processes or 2) time of day changes in CBFV are due to an endogenous circadian rhythm independent of sleep. The aim of this study was to examine CBFV over 30 hours of sustained wakefulness to determine whether CBFV exhibits fluctuations associated with time of day.

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