日本認知心理学会発表論文集
The 15th Conference of the Japanese Society for Cognitive Psychology
セッションID: E-03
会議情報

口頭英語
Validating an animal model of stress using a chasing robot
June-Seek ChoiJi-Hye LeeSunwhi KimJungsoo Han
著者情報
キーワード: stress, animal model, predatory threat
会議録・要旨集 フリー

詳細
抄録
We have developed a novel stress model with high ecological validity using a chasing robot. To emulate predatory threat, rats were repeatedly chased by a fast-approaching robot in an inescapable, donut-shaped circular maze. In Exp. 1, validity of the chasing stress model was tested by measuring the plasma corticosterone(CORT) level and freezing and ultrasonic vocalization (USV). In Exp. 2, rats were tested for the memory of the chasing stress and sensitivity to another aversive situation, three weeks later. The results demonstrated that a distinctive pattern of stress responses and long-term sensitization of defensive response in subsequent aversive events could emerge following chasing stress by a fast-approaching artificial object that emulates an attacking predator. The new stress paradigm would open up a new possibility to investigate how an evolutionarily preserved defensive system mediates stress response and related psychopathology.
著者関連情報
© 2017 The Japanese Society for Cognitive Psychology
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