高架式迷路における海馬損傷ラットの学習方策

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タイトル別名
  • Learning strategies of hippocampectomized rats on an elevated maze.
  • コウカシキ メイロ ニ オケル カイバ ソンショウ ラット ノ ガクシュウ ホ

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抄録

Hippocampectomized (N=19) and control (N=18) rats were trained on an elevated T-maze in which place, cue and response strategies employed could be separated from one another. For ni e hippocampals and nine controls, a place task was followed by a cue task (place-cue condition) while the order was reversed for the remaining subjects (cue-place condition). The erects of hippocampal lesions on acquisition and transfer of place and cue learning were assessed in terms of correct responses and strategies used by the rats. In both training conditions, performance of hippocampals was significantly impaired for the place task but not for the cue task. Hippocampals used a cue strategy in the cue task but employed a response strategy in the place task. Controls, on the other hand, used a place strategy in the place task and a cue strategy in the cue task. These results suggest that rats with hippocampal lesions are impaired in their ability to employ a place strategy with the result that other strategies are adopted in a place task situation.

収録刊行物

  • 心理学研究

    心理学研究 56 (4), 241-244, 1985

    公益社団法人 日本心理学会

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