Behavioral effects of fluoxetine on aggression and associative learning in Siamese fighting fish (Betta splendens)

Benjamin R. Eisenreich, Allen Szalda-Petree

Research output: Contribution to journalArticlepeer-review

Abstract

Past research has implicated serotonin as an important neurotransmitter in the facilitation of aggressive behavior. In Siamese fighting fish (Betta splendens), the SSRI fluoxetine has been demonstrated to reduce both frequency and duration of aggressive displays across a variety of concentration exposure procedures. While this multi-method approach has provided strong evidence for fluoxetine's impact on aggression, no study has sought to examine the behavioral mechanism by which fluoxetine exerts its anti-aggressive effect. To address this question, a Go-No Go discrimination task utilizing mirror presentations as a reinforcer was designed. Consistent with previous reports, the results indicated that fluoxetine may exert a sedative effect upon aggressive behavior via decreased arousal to external stimuli.

Original languageEnglish (US)
Pages (from-to)37-42
Number of pages6
JournalBehavioural Processes
Volume121
DOIs
StatePublished - Dec 1 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V.

Keywords

  • Aggression
  • Fluoxetine
  • Learning
  • Motivation
  • Serotonin

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