A METHODOLOGICAL STUDY OF CER IN RATS WITH ‘LICKING’ AS THE CRITERION RESPONSE
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概要
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Two CER experiments were conducted withlickingas the criterion response. In Experiment I, rats(<I>N</I>=12) number of tongue laps in a drinking box was significantly suppressed by the presentation of a CS which had been paired with electric shock previously. This suppression was not observed in the control group of 11 <I>S</I>s. In Experiment II, the effect of US intensity upon CER was tested with 11 <I>S</I>s using a within-subject design. The CSs of two modalities were reinforced with electric shock of two intensities in a balanced design. The <I>S</I>s drinking response was significantly more suppressed by the presentation of a CS which had been paired with stronger shock than of that with weaker shock. The results were discussed mainly from a methodological point of view.
著者
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Imada Hiroshi
Department Of Condensed Matter Physics Graduate School Of Science And Engineering Tokyo Institute Of
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YOSHIDA TSUNEKO
Department of Psychology, Kwansei Gakuin University
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KAI MASAKO
Department of Psychology, Kwansei Gakuin University
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