Chapter

Conditioned Defeat

Kim L. Huhman and Aaron M. Jasnow

in Biology of Aggression

Published in print September 2005 | ISBN: 9780195168761
Published online May 2009 | e-ISBN: 9780199865444 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195168761.003.0013
 							Conditioned Defeat

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This chapter reviews some of the literature pertaining to stress/fear and defense to illustrate how both perspectives are useful in understanding the neurobiological correlates of social defeat or subordination. It shows that that conditioned defeat in Syrian hamsters is elicited in most males following a single or multiple exposures to social defeat. Conditioned defeat is an ecologically relevant example of fear conditioning. Many brain areas (e.g., the amygdale and the BNST) and neurochemical signals (e.g., glutamate, GABA, CRF, and CREB) that have been shown to be important in fear conditioning in artificial, but highly controllable, situations are also involved in a similar fashion in the mediation or modulation of conditioned defeat.

Keywords: social defeat; subordination; stress; fear; defense; hamsters

Chapter.  17753 words.  Illustrated.

Subjects: Neuroscience

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