Corticoadrenal and behavioral response to open field in pairs of male rats either familiar or non-familiar to each other

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Abstract

The effect of the presence either of a familiar or non-familiar conspecific animal on serum corticosterone and some behavioral responses in the open field was studied in male Sprague-Dawley rats. Animals tested in presence of a familiar animal showed a higher corticosterone response and a higher defecation rate. It suggests that rats experienced more emotional reactivity in presence of a familiar animal than in presence of a non-familiar one. Time spent in social interaction was higher in non-familiar pairs; however, ambulation and rearing were lower, suggesting competition between social investigation and novel environment exploration. © 1983 Birkhäuser Verlag.
Original languageEnglish
Pages (from-to)1316-1317
JournalExperientia
Volume39
DOIs
Publication statusPublished - 1 Jan 1983

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