心理学研究
Online ISSN : 1884-1082
Print ISSN : 0021-5236
ISSN-L : 0021-5236
定位反射の零下馴化
皮膚抵抗反射を指標として
三橋 美典加藤 幸彦宮田 洋
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1980 年 50 巻 6 号 p. 341-344

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Two experiments were designed to investigate a below-zero habituation of the skin resistance reflex (SRR) component of the orienting reflex to auditory stimuli. In both experiments, subjects were given additional ten stimulus-presentations immediately after initial habituation (extended habituation, EH procedure), and they were compared with those without EH procedure. Effects of EH procedure upon rehabituation and SRRs to novel stimuli (Experiment I), and upon SRRs to novel stimuli under an additional control condition (Experiment II), were examined. The EH procedure enhanced SRRs to novel stimuli and had no effects on the spontaneous recovery. These results suggested that habituation would not proceed beyond the zero-level by the EH procedure.

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