Chapter

Contexts and Ethology of Vertebrate Aggression: Implications for the Evolution of Hormone-Behavior Interactions

John C. Wingfield, Ignacio T. Moore, Wolfgang Goymann, Douglas W. Wacker and Todd Sperry

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/9780195168761.003.0008
 							Contexts and Ethology of Vertebrate Aggression: Implications for the Evolution of Hormone-Behavior Interactions

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This chapter begins by discussing the types and contexts of vertebrate aggression and how it is controlled by the endocrine system. It then addresses hormone-aggression interactions and their possible evolution. The chapter shows that various types of aggression can be expressed in multiple contexts, both narrow and broad, throughout the life cycle of an individual. In most species the behavioral traits associated with aggression, both defensive and offensive, are similar regardless of stage in the life cycle. This suggests that neural circuits may indeed be conserved, but the mechanisms by which hormones regulate expression of aggression may vary.

Keywords: aggressive behavior; vertebrates; endocrine system; hormone-aggression interactions

Chapter.  22402 words.  Illustrated.

Subjects: Neuroscience

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