Why offense is reduced when rats are tested in a strange cage |
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Authors: | Jonathan W. Mink David B. Adams |
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Affiliation: | Wesleyan University, Middletown, CT 06457 USA |
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Abstract: | Tests of isolation-induced fighting and competitive fighting of rats in various conditions were used to evaluate the hypothesis that there is more offense in a familiar than in a strange cage because of the operation of an “olfactory comparator.” The hypothesis was rejected. Although there was more offense in a familiar than in a strange cage, there was not, as predicted, more offense when Petri dishes containing familiar scent-markings were put in the strange test cage, and there was not, as predicted, a difference in the effect between isolation-induced fighting and competitive fighting. The data were consistent with either one or both of two alternative hypotheses: 1) that the strange cage produces fear (neophobia) that reduces offense; or 2) that the strange cage activates exploratory and scent-marking behaviors that compete with offense. The first of these two alternative hypotheses was also consistent with a finding that handling the test animal prior to a test reduces subsequent offense. |
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Keywords: | Fear Offense Fighting |
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