正常児と精神薄弱児における情動の認知能力

概要

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This experiment was designed to compare abilities to recognize emotion from photographic stimuli in mentally retarded and normal children. Subjects were 22 kindergarten children, 30 second-grade elementary school children, and 12 institutionalized mentally retarded children. Since photographs depicted Caucasians facial expressions, the percentage of correct judgment was lower than the case when using Japanese actors. Surprise, acceptance, and sorrow were distinguishable emotions for the normal children, while surprise, anger, and joy expressions were distinguishable emotions for the mentally retarded group. Mentally retarded children showed longer latency than normal ones. They judged more accurately expressions of anger and joy. Even with cross-cultural stimuli, ability to recognize facial expressions develops along with social experiences.