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The association between the chronotype and cortisol levels as well as gene expression levels of hPER1 in the evening


Abbruzzese, Elvira A; Klingmann, Annina; Ehlert, Ulrike (2013). The association between the chronotype and cortisol levels as well as gene expression levels of hPER1 in the evening. International Journal of Advances in Psychology, 2(4):217-223.

Abstract

Humans usually show 24-hour sleep-wake cycles, which are geared by an inherent, interindividually varying biological clock. The behavioral daytime preferences differ according to the chronotype, which is in turn basically associated with the timing and controlling of the circadian rhythms of biological and psychological parameters. We were interested in the association between chronotype and the levels of cortisol and the clock gene hPER1 in the evening, and therefore examined 29 healthy men. Our data indicate that morning types show lower levels of cortisol and a lower gene expression of hPER1 in the evening.

Abstract

Humans usually show 24-hour sleep-wake cycles, which are geared by an inherent, interindividually varying biological clock. The behavioral daytime preferences differ according to the chronotype, which is in turn basically associated with the timing and controlling of the circadian rhythms of biological and psychological parameters. We were interested in the association between chronotype and the levels of cortisol and the clock gene hPER1 in the evening, and therefore examined 29 healthy men. Our data indicate that morning types show lower levels of cortisol and a lower gene expression of hPER1 in the evening.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Language:English
Date:2013
Deposited On:15 Jan 2014 09:25
Last Modified:08 Dec 2017 01:55
Publisher:Science and Engineering Publishing Company
ISSN:2169-4958
Publisher DOI:https://doi.org/10.14355/ijap.2013.0204.05

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