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