教育心理学研究
Online ISSN : 2186-3075
Print ISSN : 0021-5015
ISSN-L : 0021-5015
重症心身障害者における笑い表出に伴う期待の特徴
心拍指標による検討
北島 善夫小池 敏英片桐 和雄
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1994 年 42 巻 1 号 p. 77-85

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An experiment was done with 12 persons with profound retardation in order to study expectancy with emotional expression to another person's appearance and acts. The experimenter showed his upper body through the window of the booth for 2 seconds following a chime sound (51) and then hid his body for 3 seconds (S1-S2 interval). He then presented himself in front of the subjects from behind a screen while calling the subject's names (S2). Sixty trials in 3 days were carried out for each subject. By observation of emotinal behavior, subjects were divided into three groups based on the latency of laughing or smiling. Subjects of group α showed laughing and smiling prior to presentation of S2, and one of them showed anticipatory deceleration in HR changes. Subjects showing emotional expression after presentation of S2 (group β) showed continuous HR deceleration in S1-S2 interval. Those who expressed neither laughing nor smiling (group γ) showed orienting response to Si. The results indicated that laughing and smiling prior to person's acts were coincident with expectancy in person with profound retardation.

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