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Effect of stress on structural brain asymmetry

P. Zach, K. Vales, A. Stuchlik, P. Cermakova, J. Mrzilkova, A. Koutela, M. Kutova,

. 2016 ; 37 (4) : 253-264.

Language English Country Sweden

Document type Journal Article, Review

Persistent link   https://www.medvik.cz/link/bmc17013401

There is a growing body of evidence that stressful events may affect the brain not only as a whole, but also in multiple laterality aspects. The present review is aimed at discussing the effect of stress and stress hormones on structural brain asymmetry. Differences and crossroads of functional and structural asymmetry are briefly mentioned throughout the document. The first part of this review summarizes major findings in the field of structural brain asymmetries in animals and humans from the evolutionary perspective. Additionally, effect of stress on animals is discussed generally. The second part then explores asymmetrical effects of stress on structural changes of principal brain areas - amygdala, hippocampus, neocortex, diencephalon, basal forebrain and basal ganglia from the point of normal lateralization, steroids, trauma and genetic factors. At the end we present hypothesis why stress appears to have asymmetrical effects on lateralized brain structures.

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$a Vales, Karel $u Institute of Physiology, Academy of Sciences, Prague, Czech Republic.
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$a Stuchlik, Ales $u Institute of Physiology, Academy of Sciences, Prague, Czech Republic.
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$a Cermakova, Pavla $u Department of Neurobiology, Care Sciences and Society, Center for Alzheimer Research, Division for Neurogeriatrics, Karolinska Institutet, Huddinge, Sweden.
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$a Mrzilkova, Jana $u Institute of Anatomy, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic.
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$a Koutela, Antonella $u Institute of Anatomy, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic.
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