LTP after Stress: Up or Down?

When an organism is exposed to a stressful situation, corticosteroid levels in the brain rise. This rise has consequences for behavioral performance, including memory formation. Over the past decades, it has become clear that a rise in corticosteroid level is also accompanied by a reduction in hippo...

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Main Authors: Marian Joëls, Harm J. Krugers
Format: Article
Language:English
Published: Wiley 2007-01-01
Series:Neural Plasticity
Online Access:http://dx.doi.org/10.1155/2007/93202
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author Marian Joëls
Harm J. Krugers
author_facet Marian Joëls
Harm J. Krugers
author_sort Marian Joëls
collection DOAJ
description When an organism is exposed to a stressful situation, corticosteroid levels in the brain rise. This rise has consequences for behavioral performance, including memory formation. Over the past decades, it has become clear that a rise in corticosteroid level is also accompanied by a reduction in hippocampal long-term potentiation (LTP). Recent studies, however, indicate that stress does not lead to a universal suppression of LTP. Many factors, including the type of stress, the phase of the stress response, the area of investigation, type of LTP, and the life history of the organism determine in which direction LTP will be changed.
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spelling doaj-art-144d27c529294f688ac3faadb30330b22025-02-03T05:48:15ZengWileyNeural Plasticity2090-59041687-54432007-01-01200710.1155/2007/9320293202LTP after Stress: Up or Down?Marian Joëls0Harm J. Krugers1SILS-CNS, University of Amsterdam, SM Amsterdam 1098, The NetherlandsSILS-CNS, University of Amsterdam, SM Amsterdam 1098, The NetherlandsWhen an organism is exposed to a stressful situation, corticosteroid levels in the brain rise. This rise has consequences for behavioral performance, including memory formation. Over the past decades, it has become clear that a rise in corticosteroid level is also accompanied by a reduction in hippocampal long-term potentiation (LTP). Recent studies, however, indicate that stress does not lead to a universal suppression of LTP. Many factors, including the type of stress, the phase of the stress response, the area of investigation, type of LTP, and the life history of the organism determine in which direction LTP will be changed.http://dx.doi.org/10.1155/2007/93202
spellingShingle Marian Joëls
Harm J. Krugers
LTP after Stress: Up or Down?
Neural Plasticity
title LTP after Stress: Up or Down?
title_full LTP after Stress: Up or Down?
title_fullStr LTP after Stress: Up or Down?
title_full_unstemmed LTP after Stress: Up or Down?
title_short LTP after Stress: Up or Down?
title_sort ltp after stress up or down
url http://dx.doi.org/10.1155/2007/93202
work_keys_str_mv AT marianjoels ltpafterstressupordown
AT harmjkrugers ltpafterstressupordown