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Article Dans Une Revue Behavioural Processes Année : 2008

Behavioural and endocrine fear responses in Japanese quail upon presentation of a novel object in the home cage

Résumé

Most tests used to study fear in birds involve transferring them to a novel environment, which constitutes a bias in studies aiming at identifying the neural correlates of a specific fear-inducing situation. In order to investigate fear in birds with minimum interference by humans, behavioural and endocrine responses to the presentation of a novel object in the home cage were investigated in two lines of Japanese quail divergently selected for long or short duration of tonic immobility, a behavioural index of fear. Presentation of the novel object induced typical fear responses (avoidance of the object, increased pacing and increased plasma corticosterone levels) that were similar in the two lines of quail. Presentation of a novel object in the home cage thus appears to be a suitable stimulus to induce fear reactions in quail, with minimum interference from other motivational systems. The fact that quail of both lines reacted similarly in this test, while they are known to differ greatly in their behavioural responses to other fear-inducing tests, illustrates the multidimensional nature of fear. (C) 2007 Elsevier B.V. All rights reserved.

Dates et versions

hal-02662702 , version 1 (31-05-2020)

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Sabine Richard, Nathaële Wacrenier-Ceré, Dominique Hazard, Helene Saint Dizier, Cécile Arnould, et al.. Behavioural and endocrine fear responses in Japanese quail upon presentation of a novel object in the home cage. Behavioural Processes, 2008, 77 (3), pp.313-319. ⟨10.1016/j.beproc.2007.07.005⟩. ⟨hal-02662702⟩
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