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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-55159

Mikoteit, T; Brand, S; Beck, J; Perren, S; von Wyl, A; von Klitzing, K; Holsboer-Trachsler, E; Hatzinger, M (2012). Visually detected NREM stage 2 sleep spindles in kindergarten children are associated with stress challenge and coping strategies. World Journal of Biological Psychiatry, 13(4):259-268.

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Abstract Objectives. Sleep EEG spindles are linked to efficient cortical-subcortical connectivity and intellectual abilities. The aim of the present study was to investigate the relationship of spindle activity to psychosocial stress response and coping strategies in healthy kindergarten children. Methods. In a cross-sectional study of 41 5-year old kindergarten children we examined stress-induced hypothalamic-pituitary-adrenocortical (HPA) system activity by saliva cortisol measurements and sleep regulation by sleep EEG-monitoring. Stress response was measured during the application of a standardized psychological challenge appropriate at this age. NREM S2 sleep EEG spindles were visually scored and put into relation to coping and HPA activity parameters. Results. An increased total number of NREM S2 sleep spindles correlated positively with increased high ego-involvement strategies such as "positive emotions". By contrast, total number of NREM S2 sleep spindles correlated negatively with low ego-involvement strategies such as "denial" and "avoidance". Stress induced HPA-activity correlated positively with coping strategies with high ego-involvement; while there was no correlation with low ego-involvement strategies. Conclusions. Total number of visually detected NREM S2 sleep spindles is elevated in children with coping involving positive, high ego-involvement; in contrast, low ego-involvement during stress is associated with reduced total number of NREM S2 sleep spindles.


2 citations in Web of Science®
3 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Jacobs Center for Productive Youth Development
Dewey Decimal Classification:370 Education
Deposited On:07 Feb 2012 07:36
Last Modified:05 Apr 2016 15:23
Publisher:Informa Healthcare
ISSN:1562-2975 (P) 1814-1412 (E)
Publisher DOI:10.3109/15622975.2011.562241
PubMed ID:21486109

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