自閉症児に対する絵カード交換コミュニケーションシステム(PECS)を用いた言語行動の指導

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タイトル別名
  • Teaching Verbal Behavior Using the Picture Exchange Communication System (PECS) With Children With Autistic Spectrum Disorders
  • Teaching Verbal Behavior Using the Picture Exchange Communication System (PECS) With Children With Autistic Spectrum Disorder

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The Picture Exchange Communication System (PECS) is widely used with non-verbal children with autistic disorders as an Augmentative and Alternative Communication (AAC). Most of the participants in prior research on that method, although referred to as non-verbal, had initial vocal repertoires of at least a few words. The purpose of the present study was to examine whether 3 elementary-school-age children with autistic disorders whose vocal repertoires were severely limited, such as only a few phonemes, could acquire elementary communication skills using PECS. The present study incorporated task analysis, in which a sequence of picture-exchanging behaviors was divided into 4 components. The results demonstrated that all 3 children acquired the basic component of PECS within a short period. Data from the task analysis revealed that, with increased use of PECS, their prior mode of communication (grabbing, reaching, or crying) was gradually replaced, thereby indicating the reinforcing value embedded in PECS. In addition, the present data suggest that PECS training produced collateral behavioral changes, such as an emergence of intelligible vocalization, even in students who had previously had severely limited vocal repertoires.

収録刊行物

  • 特殊教育学研究

    特殊教育学研究 43 (6), 485-503, 2006

    一般社団法人 日本特殊教育学会

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