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Kamio, Yoko; Haraguchi, Hideyuki; Stickley, Andrew; Ogino, Kazuo; Ishitobi, Makoto; Takahashi, Hidetoshi – Journal of Autism and Developmental Disorders, 2015
To determine the best discriminative items for identifying young children with autism spectrum disorders (ASD), we conducted a secondary analysis using longitudinal cohort data that included the Japanese version of the 23-item modified checklist for autism in toddlers (M-CHAT-JV). M-CHAT-JV data at 18 months of age and diagnostic information…
Descriptors: Foreign Countries, Autism, Developmental Disabilities, Young Children
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Kamio, Yoko; Inada, Naoko; Koyama, Tomonori; Inokuchi, Eiko; Tsuchiya, Kenji; Kuroda, Miho – Journal of Autism and Developmental Disorders, 2014
To determine whether the Modified Checklist for Autism in Toddlers (M-CHAT) in conjunction with the routine 18-month health check-up identifies Japanese toddlers with autism spectrum disorder (ASD). Two-stage screening using the M-CHAT was conducted with 1,851 children attending the check-up. Final ASD diagnosis was confirmed at age =3 years.…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Toddlers
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Inada, Naoko; Koyama, Tomonori; Inokuchi, Eiko; Kuroda, Miho; Kamio, Yoko – Research in Autism Spectrum Disorders, 2011
Early detection and intervention is essential for children with autism spectrum disorders (ASD). Therefore, we examined the reliability and validity of the Japanese version of the Modified Checklist for autism in toddlers (M-CHAT), a 23-item, yes-no questionnaire regarding early autistic symptoms completed by parents of children at 18-24 months of…
Descriptors: Autism, Toddlers, Rating Scales, Questionnaires
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Koyama, Tomonori; Kamio, Yoko; Inada, Naoko; Inokuchi, Eiko – Research in Autism Spectrum Disorders, 2011
Difficulties in social communication are not necessarily observed only in individuals with autism spectrum disorders (ASD), and there are many subclinical cases in the general populations. Although advanced parental age at childbirth has often been considered a possible risk factor of ASD, it might contribute to poor social functioning in…
Descriptors: Age Differences, Pregnancy, Social Development, Interpersonal Competence
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Katagiri, Masatoshi; Inada, Naoko; Kamio, Yoko – Research in Autism Spectrum Disorders, 2010
Previous studies have suggested that being imitated by an adult is an effective intervention with children with autism and developmental delay. The purpose of this study was to investigate whether "mirroring" interaction, which includes being imitated by an adult, can facilitate the social responsiveness of toddlers with autism spectrum disorder…
Descriptors: Early Intervention, Autism, Toddlers, Interaction