Hormonal Modulation of Aggression: With a Focus on Teleost Studies

  • Kazutaka ShinozukaEmail author
Part of the The Science of the Mind book series (The Science of the Mind)


Aggression is one of the important emotional behaviors displayed by animals while acquiring and/or defending resources. Recent studies have revealed that peptide hormones modulate various social behaviors, including aggression, among vertebrates. Comparison among teleosts, birds, and rodents shows marked species differences in effects of peptides on aggression. A correlation between peptide function and social structure has been suggested to explain these differences; however, the species differences reported in part might also be due to the methodological differences among the studies. In teleosts, the action sites for peptide ­hormones in modulating aggression are unclear, because in most behavioral studies these peptide hormones were administered systemically rather than locally. This chapter reviews the modulatory actions of peptide hormones, with particular emphasis on the known action sites for peptide hormones in teleosts. Further studies are necessary to precisely determine localized peptide modulation of aggression in teleosts, as well as to compare its modulatory effects among vertebrates.


Peptide Hormone Zebra Finch Electric Organ Discharge Overt Aggression Lateral Septum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Japan 2012

Authors and Affiliations

  1. 1.Department of Neurosurgery and Brain RepairUniversity of South Florida, Collage of MedicineTampaUSA

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