Strain differences in fear-motivated behavior of rats

被引:99
作者
Rex, A
Sondern, U
Voigt, JP
Franck, S
Fink, H
机构
关键词
anxiety; strain differences; exploration; holeboard; conflict test; social interaction;
D O I
10.1016/0091-3057(95)02128-0
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Studies have shown different and sometimes contradictory results in response to anxiolytic drugs. In the present study, the behaviorial performance of rat strains, obtained from different breeders, was examined in four animal models of anxiety- or in exploration-related behavior to assess the potential contribution of genetic disposition or breeding factors to aversion-motivated behavior. Male rats: Wistar/Winkelmann, Wistar/Charles River, Wistar/BGVV, Lewis/Charles River, Fischer/Charles River, Brown Norway/Charles River were used in a conflict test in the open field, a free exploratory paradigm, social interaction test, and the holeboard test. The results show that robust behaviorial differences in anxiety or exploration exist between different strains of rat and animals of one strain, obtained from different breeders. The differences shown in anxiety-related behavior might explain sometimes contradictory effects following the treatment with anxiolytic or anxiogenic drugs. The results indicate that genetic factors and breeding conditions substantially contribute to anxiety-motivated behaviors in animal models of anxiety. These differences in anxiety-related behavior may also be related to biochemical differences.
引用
收藏
页码:107 / 111
页数:5
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