Visual and social determinants of shock-elicited aggressive responding in rats |
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Authors: | Donald H Thor William B Ghiselli |
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Institution: | 1. Edward R. Johnstone Training and Research Center, 08505, Bordentown, New Jersey
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Abstract: | Light and dark reared, social and isolate housed, male Long-Evans hooded rats were tested in bright and dim light for aggressive response to footshock. Test lighting and socialization main effects were significant, with greater fighting in dim light than in bright light and greater fighting by isolates than by socially housed animals. Test lighting interacted with prior visual experience and socialization interacted with past and present illumination variables. The results suggest an inhibitory effect of test illumination dependent upon prior social and visual experience. |
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