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Japanese Journal of Speech, Language, and Hearing Research Volume 18, Issue 4 （December 2021）

言語聴覚研究 18巻4号（2021年12月発行）

Japanese English

原著

喚語障害を主症状とする失語3例に対するrepeated, increasingly-speeded production（RISP）訓練の試み A new therapy for naming impairments in patients with aphasia: "repeated, increasingly-speeded production"(RISP) 津田哲也 ¹ , 杉木蒼唯 ¹ , 中村光 ² Tetsuya Tsuda ¹ , Aoi Sugiki ¹ , Hikaru Nakamura ² ¹県立広島大学保健福祉学部コミュニケーション障害学科 ²岡山県立大学保健福祉学部現代福祉学科 ¹Department of Communication Sciences and Disorders, Prefectural University of Hiroshima ²Department of Welfare System and Health Science, Okayama Prefectural University キーワード：失語症 , 喚語障害 , repeated，increasingly-speeded production , RISP , 般化 , 維持 , aphasia , naming impairment , repeated increasingly-speeded production , generalization , maintenance Keyword: 失語症 , 喚語障害 , repeated，increasingly-speeded production , RISP , 般化 , 維持 , aphasia , naming impairment , repeated increasingly-speeded production , generalization , maintenance pp.306-314

発行日 2021年12月15日 Published Date 2021/12/15

DOI https://doi.org/10.11477/mf.6001200348

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　喚語障害を主症状とする邦人失語症者3例に対し，英国で近年報告された訓練（repeated, increasingly-speeded production：RISP）の有効性を検討した．複雑状況画中に描かれている項目名を3群に分類し，各訓練に割り付けた〔RISP群，標準的訓練（SP）群，非訓練（ctrl）群〕．RISP群では絵カード提示から反応までの制限時間を定め，この制限時間を訓練ごとに短縮した．SP群は語頭音ヒントを提示した．この結果，呼称成績の有意な向上はRISP群では全例で認めたが，SP群は3例中1例のみ認め，ctrl群ではまったく認められなかった．複雑状況画の口述課題での訓練語の占める比率は，RISP群は訓練前に比べて全例で向上したが，そのような向上はSP群では2例，ctrl群では1例で認められたのみであった．また，訓練後1か月後も，RISP群のうち2例ではそれが維持されていた．RISP訓練は訓練の般化やその効果の維持という面で優れている可能性が示唆された．

　We investigated the effects of a new therapeutic method developed in the UK called “repeated, increasingly speeded production” (RISP) for three Japanese aphasic patients with anomia. Before the therapy, the participants were asked to describe composite pictures, and the nouns for the items in the pictures were divided into three sets. The word sets were assigned to RISP, standard therapy (SP), and no therapy (Ctrl), respectively. In RISP, the participants were asked to name items rapidly. Time limits were gradually reduced for each session. In SP, the participants were asked to name items, and if unsuccessful, the first sound of the word was provided as a cue. On the naming task, all of the participants demonstrated significant improvement in the accuracy of naming target words with RISP at post therapy. Such improvement was shown by only one participant with SP and none with Ctrl. On the oral description task, all the participants increased rates of producing target words with RISP. However, such an increase was noted in only two participants with SP and one participant with Ctrl. In addition, the increased rates of naming target words with RISP were maintained for a month in two of the three participants. Our results show that RISP may be an excellent therapeutic method for word retrieval in patients with aphasia, with the effects being not only generalized across tasks but also maintained over time.