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Olfactory bulb removal: Influences on the aggressive behaviors of male mice

Authors
Journal
Physiology & Behavior
0031-9384
Publisher
Elsevier
Publication Date
Volume
7
Issue
6
Identifiers
DOI: 10.1016/0031-9384(71)90059-x
Keywords
  • Mice
  • Aggression
  • Olfactory Bulbs
  • Androgen

Abstract

Abstract Bilateral removal of the olfactory bulbs of castrated male mice completely prevented the arousal of aggressiveness by exogenous administration of androgen. Unilateralally bulbectomized mice showed fighting comparable to that shown by sham-operated control mice. It was concluded that earlier demonstrations of the abolition of intermale aggressive behavior in mice following olfactory bulb removal could not be attributed to impairment in pituitary-gonadal function. Although in this experiment bulbectomy completely prevented the androgenic arousal of intermale aggression, bulbectomy did not affect the display of aggressive behavior in a competition for food situation.

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