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In animal models, serotonin (5-HT) activity contributes to stress-induced changes in behavior. Syrian hamsters (Mesocricetus auratus) exhibit a stress-induced change in behavior in which social defeat results in increased submissive and defensive behavior and a complete loss of normal territorial aggression directed toward a novel, non-aggressive opponent. We refer to this defeat-induced change in...
Rationale In Syrian hamsters (Mesocricetus auratus), social defeat produces a prolonged change in subsequent agonistic behavior termed conditioned defeat. This stress-induced change in behavior is marked by increased submissive and defensive behavior toward a novel, nonaggressive opponent and a complete loss of normal territorial aggression. Corticotropin-releasing factor (CRF) has been shown to affect...
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