Article (Scientific journals)
Acute stress influences the discrimination of complex scenes and complex faces in young healthy men
Paul, Marcus; Lech, Robert, K.; Scheil, Juliane et al.
2016In Psychoneuroendocrinology, 66, p. 125-129
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Keywords :
Stress; Perception; Visual discrimination; medial temporal lobe; hippocampus; socially evaluated cold-pressor test
Abstract :
[en] The stress-induced release of glucocorticoids has been demonstrated to influence hippocampal functions via the modulation of specific receptors. At the behavioral level stress is known to influence hippocampus dependent long-term memory. In recent years, studies have consistently associated the hippocampus with the non-mnemonic perception of scenes, while adjacent regions in the medial temporal lobe were associated with the perception of objects, and faces. So far it is not known whether and how stress influences non-mnemonic perceptual processes. In a behavioral study, fifty male participants were subjected either to the stressful socially evaluated cold-pressor test or to a non-stressful control procedure, before they completed a visual discrimination task, comprising scenes and faces. The complexity of the face and scene stimuli was manipulated in easy and difficult conditions. A significant three way interaction between stress, stimulus type and complexity was found. Stressed participants tended to commit more errors in the complex scenes condition. For complex faces a descriptive tendency in the opposite direction (fewer errors under stress) was observed. As a result the difference between the number of errors for scenes and errors for faces was significantly larger in the stress group. These results indicate that, beyond the effects of stress on long-term memory, stress influences the discrimination of spatial information, especially when the perception is characterized by a high complexity.
Disciplines :
Neurosciences & behavior
Author, co-author :
Paul, Marcus;  Ruhr-Universität Bochum - RUB > Institute of Cognitive Neuroscience, Department of Cognitive Psychology
Lech, Robert, K.;  Ruhr-Universität Bochum - RUB > Institute of Cognitive Neuroscience, Department of Clinical Neuropsychology
Scheil, Juliane;  Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
DIEROLF, Angelika ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Integrative Research Unit: Social and Individual Development (INSIDE)
Suchan, Boris;  Ruhr-Universität Bochum - RUB > Institute of Cognitive Neuroscience, Department of Clinical Neuropsychology
Wolf, Oliver, T.;  Ruhr-Universität Bochum - RUB > Institute of Cognitive Neuroscience, Department of Cognitive Psychology
External co-authors :
yes
Language :
English
Title :
Acute stress influences the discrimination of complex scenes and complex faces in young healthy men
Publication date :
April 2016
Journal title :
Psychoneuroendocrinology
ISSN :
1873-3360
Publisher :
Elsevier, Oxford, United Kingdom
Volume :
66
Pages :
125-129
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
German Research Foundation(DFG) project B4 of Collaborative Research Center (SFB) 874 “Inte-gration and Representation of Sensory Processes”.
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