Stimulus- and motivation-specific sensitization and redirection of aggression in the three-spined stickleback (Gasterosteus aculeatus).

1 October 1982

journal article
Published by American Psychological Association (APA) in Journal of Comparative and Physiological Psychology

Vol. 96 (5) , 816-822
https://doi.org/10.1037/h0077918

Abstract

Studied 50 male 3-spined sticklebacks to examine the incremental processes of sensitization-habituation. Findings indicate that the incremental processes are analogous to those postulated by a dual-process theory of habituation based on acute neurobiological preparations. Sensitization appears to have both stimulus- and motivation-specific components and appears to sensitize over repeated experiences. Sensitization may serve to maintain behavior during the presence of the eliciting stimulus while the inhibitory component (habituation) is consolidating independently. Finally, the motivation-specific component may explain the increased aggression, during stimulus presentation, directed to neighbors to which the S fish had already habituated. (18 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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