Authors
RJ Rodgers, JC Cole
Publication date
1993/10/1
Journal
Physiology & behavior
Volume
54
Issue
4
Pages
729-736
Publisher
Elsevier
Description
Behavioural baseline is a critical determinant of response to drugs and other manipulations. In the present study, the influence of several organismic and procedural variables on basal plus-maze profiles in mice were examined. The methodology incorporated traditional behavioural parameters as well as novel measures derived from ethological analysis. Experiment 1 showed that social isolation for 1–3 weeks enhanced aggression in male DBA/2 mice but did not substantially alter their behaviour on the maze. A reduction in stretch attend postures did, however, suggest a minor reduction in anxiety in socially isolated animals. In Experiment 2, males of both DBA/2 and T1 strains exhibited higher levels of general activity on the maze than their female counterparts. Although additional evidence suggested that DBA/2 (but not T1) females were less anxious than males, no major sex differences were noted. Experiment …
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RJ Rodgers, JC Cole - Physiology & behavior, 1993