WPPSI-III profiles of 57 preschool children who took developmental consultation for the first time : application of assessment battery of developmental disability scales and working memory tests

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  • 就学前にはじめて発達相談を受けた子ども57名のWPPSI-IIIの特徴 : 発達障害評価尺度及びワーキングメモリー検査のアセスメントバッテリーの適用
  • シュウガク マエ ニ ハジメテ ハッタツ ソウダン オ ウケタ コドモ 57メイ ノ WPPSI-Ⅲ ノ トクチョウ : ハッタツ ショウガイ ヒョウカ シャクド オヨビ ワーキングメモリー ケンサ ノ アセスメントバッテリー ノ テキヨウ

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The cognitive profiles of the Japanese version of Wechsler Primary and Preschool Scale of Intelligence-Third edition (WPPSI-III) in clinical samples has not been reported; furthermore, profiles of working memory assessed through Wechsler Intelligence Scale for Children-Fourth edition (WISC-IV) is also needed for its clinical application. In this study, we administrated the WPPSI-III’s 8 primary index subtests, the WISC-IV’s 2 working memory subtests, and parent-rating tests for autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD) on 57 preschool children who visited clinical institutions for the first time. Four clinical groups were grouped according to the parent-rating test : ASD risk (N = 16), ADHD risk (N = 11), the comorbidity of ASD risk and ADHD risk (N = 10), and the other conditions group (N = 20). As a result, the full-scale IQ scores of the comorbid group and the other conditions group were lower than that of the ASD group and the ADHD group. In ASD risk group, scores of verbal comprehension index and processing speed index were lower than the score of perceptual reasoning index. Moreover, in ADHD risk group, there were no differences between index scores, but working memory subtests had a lower score. Cognitive profiles of these clinical groups replicated previous research. Additionally, it revealed that the processing speed score is related to ASD rating scale score. Following these results, the implications for practice and the clinical utility of WPPSI-III were discussed.

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