Chapter

Development of Aggression

Yvon Delville, Matt L. Newman, Joel C. Wommack, Kereshmeh Taravosh-Lahn and M. Catalina Cervantes

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/9780195168761.003.0014
 							Development of Aggression

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This chapter begins with a discussion of the development of agonistic behavior in mammals. It then discusses the adaptive value of play and play fighting, sex differences and hormonal control of play fighting, neural control of play fighting, and controlling the time course of the maturation of agonistic behavior. It shows a correlation between that maturation of aggressive behavior and maturation of the the hypothalamic-pituitary-adrenal axis (HPA). The HPA axis controls the maturation of aggressive behavior during puberty. It is also likely that adrenarche, the onset of the activity of the HPA axis, controls the appearance of aggressive responses before puberty. This regulation mechanism may provide an explanation for interactions between genes and the environment, as the activity of the HPA axis differs between individuals and can be affected by external stimuli, such as stress.

Keywords: agonistic behavior; aggressive behavior; play fighting; HPA; stress

Chapter.  16356 words.  Illustrated.

Subjects: Neuroscience

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