Determining differences in social cognition between high-functioning autistic disorder and other pervasive developmental disorders using new advanced “mind-reading” tasks / Miho KURODA in Research in Autism Spectrum Disorders, 5-1 (January-March 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.554-561 Titre : Determining differences in social cognition between high-functioning autistic disorder and other pervasive developmental disorders using new advanced “mind-reading” tasks Type de document : Texte imprimé et/ou numérique Auteurs : Miho KURODA, Auteur ; Tokio UCHIYAMA, Auteur ; Akio WAKABAYASHI, Auteur ; Yuko YOSHIDA, Auteur ; Yoko KAMIO, Auteur ; Tomonori KOYAMA, Auteur Année de publication : 2011 Article en page(s) : p.554-561 Langues : Anglais (eng) Mots-clés : Mind-reading High-functioning-pervasive-developmental-disorders DSM-IV-TR Subgroup Modality Index. décimale : PER Périodiques Résumé : Deficits in understanding the mental state of others (“mind-reading”) have been well documented in individuals with pervasive developmental disorders (PDD). However, it is unclear whether this deficit in social cognition differs between the subgroups of PDD defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. In this study, PDD was divided into high-functioning autistic disorder (HFA) (n = 17) and other PDD (n = 11) consisting of Asperger's disorder (n = 8) and PDD-NOS (n = 3), and differences in mind-reading ability was examined between the two clinical groups and controls (n = 50) using a new advanced naturalistic task consisting of short scenes from a TV drama showing communication in social situations. The task was divided into visual and auditory tasks to investigate which modality was more valuable for individuals with PDD to understand the mental state of others. The results suggest that social cognition differs significantly between individuals with HFA and those with other PDD, with no difference being found between those with other PDD and controls. Neither the auditory or visual modality was found to be dominant in subjects with PDD in the mind-reading task. Taken together, complex mind-reading tasks appear to be effective for distinguishing individuals with HFA from those with other PDD. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.06.022 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111 [article] Determining differences in social cognition between high-functioning autistic disorder and other pervasive developmental disorders using new advanced “mind-reading” tasks [Texte imprimé et/ou numérique] / Miho KURODA, Auteur ; Tokio UCHIYAMA, Auteur ; Akio WAKABAYASHI, Auteur ; Yuko YOSHIDA, Auteur ; Yoko KAMIO, Auteur ; Tomonori KOYAMA, Auteur . - 2011 . - p.554-561. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.554-561 Mots-clés : Mind-reading High-functioning-pervasive-developmental-disorders DSM-IV-TR Subgroup Modality Index. décimale : PER Périodiques Résumé : Deficits in understanding the mental state of others (“mind-reading”) have been well documented in individuals with pervasive developmental disorders (PDD). However, it is unclear whether this deficit in social cognition differs between the subgroups of PDD defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. In this study, PDD was divided into high-functioning autistic disorder (HFA) (n = 17) and other PDD (n = 11) consisting of Asperger's disorder (n = 8) and PDD-NOS (n = 3), and differences in mind-reading ability was examined between the two clinical groups and controls (n = 50) using a new advanced naturalistic task consisting of short scenes from a TV drama showing communication in social situations. The task was divided into visual and auditory tasks to investigate which modality was more valuable for individuals with PDD to understand the mental state of others. The results suggest that social cognition differs significantly between individuals with HFA and those with other PDD, with no difference being found between those with other PDD and controls. Neither the auditory or visual modality was found to be dominant in subjects with PDD in the mind-reading task. Taken together, complex mind-reading tasks appear to be effective for distinguishing individuals with HFA from those with other PDD. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.06.022 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111

Empathizing and Systemizing in Adults with and without Autism Spectrum Conditions: Cross-Cultural Stability / Akio WAKABAYASHI in Journal of Autism and Developmental Disorders, 37-10 (November 2007)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 37-10 (November 2007) . - p.1823-1832 Titre : Empathizing and Systemizing in Adults with and without Autism Spectrum Conditions: Cross-Cultural Stability Type de document : Texte imprimé et/ou numérique Auteurs : Akio WAKABAYASHI, Auteur ; Simon BARON-COHEN, Auteur ; Sally WHEELWRIGHT, Auteur ; Tokio UCHIYAMA, Auteur ; Yuko YOSHIDA, Auteur ; Miho KURODA, Auteur Année de publication : 2007 Article en page(s) : p.1823-1832 Langues : Anglais (eng) Mots-clés : Empathizing Systemizing Autism Asperger-syndrome Autism-spectrum-conditions Cognitive-style Sex-differences Index. décimale : PER Périodiques Résumé : This study tests the empathizing-systemizing (E-S) theory of sex differences and the extreme male brain (EMB) theory of autism. Three groups of participants took part: n = 48 people with autism spectrum, n = 137 general population controls, and n = 1,250 university student controls. Each participant completed the Empathy Quotient (EQ) and the Systemizing Quotient (SQ). Results: The autism spectrum condition (ASC) group scored significantly lower than controls on the EQ, and significantly higher on the SQ. Among both control groups, females scored significantly higher than males on the EQ, whilst males scored significantly higher than females on the SQ. The distribution of ‘brain types’, based on the difference between EQ and SQ scores, showed distinct profiles for people with ASC, control males and control females. En ligne : http://dx.doi.org/10.1007/s10803-006-0316-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=218 [article] Empathizing and Systemizing in Adults with and without Autism Spectrum Conditions: Cross-Cultural Stability [Texte imprimé et/ou numérique] / Akio WAKABAYASHI, Auteur ; Simon BARON-COHEN, Auteur ; Sally WHEELWRIGHT, Auteur ; Tokio UCHIYAMA, Auteur ; Yuko YOSHIDA, Auteur ; Miho KURODA, Auteur . - 2007 . - p.1823-1832. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 37-10 (November 2007) . - p.1823-1832 Mots-clés : Empathizing Systemizing Autism Asperger-syndrome Autism-spectrum-conditions Cognitive-style Sex-differences Index. décimale : PER Périodiques Résumé : This study tests the empathizing-systemizing (E-S) theory of sex differences and the extreme male brain (EMB) theory of autism. Three groups of participants took part: n = 48 people with autism spectrum, n = 137 general population controls, and n = 1,250 university student controls. Each participant completed the Empathy Quotient (EQ) and the Systemizing Quotient (SQ). Results: The autism spectrum condition (ASC) group scored significantly lower than controls on the EQ, and significantly higher on the SQ. Among both control groups, females scored significantly higher than males on the EQ, whilst males scored significantly higher than females on the SQ. The distribution of ‘brain types’, based on the difference between EQ and SQ scores, showed distinct profiles for people with ASC, control males and control females. En ligne : http://dx.doi.org/10.1007/s10803-006-0316-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=218

Informing children about their sibling's diagnosis of autism spectrum disorder: An initial investigation into current practices / Kyoko TANAKA in Research in Autism Spectrum Disorders, 5-4 (October-December 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-4 (October-December 2011) . - p.1421-1429 Titre : Informing children about their sibling's diagnosis of autism spectrum disorder: An initial investigation into current practices Type de document : Texte imprimé et/ou numérique Auteurs : Kyoko TANAKA, Auteur ; Tokio UCHIYAMA, Auteur ; Fumio ENDO, Auteur Année de publication : 2011 Article en page(s) : p.1421-1429 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Sibling  Diagnosis  Parent Index. décimale : PER Périodiques Résumé : The manner in which typically developing (TD) children were informed about their sibling's diagnosis of autism spectrum disorders (ASDs) was examined in Japan. Seventy-seven parents, each with a child with ASD and a TD child, participated in a questionnaire survey. From the data obtained, it was revealed that parents informed 66.7% (72/108) TD children about their sibling's diagnosis, and usually informed them when they were around 9 years of age. Birth order, age spacing and type of ASD affected the parents’ decision about whether or not to inform them, and type of ASD, sex, age spacing and total number of children affected the timing of when parents informed them. TD children whose sibling had high-functioning ASD were informed less often and later. The most common question asked by TD children concerned communication problems, and parents often informed them of symptoms and difficulties of ASD as well as the diagnosis. Before receiving an explanation, 77.9% (53/68) of TD children had guessed the diagnosis or noticed something different about their sibling with ASD and 77.3% (51/66) of them reacted moderately to the parent's explanation. The influence of the parent's explanation on TD children's understanding of ASD warrants further research. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.02.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125 [article] Informing children about their sibling's diagnosis of autism spectrum disorder: An initial investigation into current practices [Texte imprimé et/ou numérique] / Kyoko TANAKA, Auteur ; Tokio UCHIYAMA, Auteur ; Fumio ENDO, Auteur . - 2011 . - p.1421-1429. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-4 (October-December 2011) . - p.1421-1429 Mots-clés : Autism spectrum disorder  Sibling  Diagnosis  Parent Index. décimale : PER Périodiques Résumé : The manner in which typically developing (TD) children were informed about their sibling's diagnosis of autism spectrum disorders (ASDs) was examined in Japan. Seventy-seven parents, each with a child with ASD and a TD child, participated in a questionnaire survey. From the data obtained, it was revealed that parents informed 66.7% (72/108) TD children about their sibling's diagnosis, and usually informed them when they were around 9 years of age. Birth order, age spacing and type of ASD affected the parents’ decision about whether or not to inform them, and type of ASD, sex, age spacing and total number of children affected the timing of when parents informed them. TD children whose sibling had high-functioning ASD were informed less often and later. The most common question asked by TD children concerned communication problems, and parents often informed them of symptoms and difficulties of ASD as well as the diagnosis. Before receiving an explanation, 77.9% (53/68) of TD children had guessed the diagnosis or noticed something different about their sibling with ASD and 77.3% (51/66) of them reacted moderately to the parent's explanation. The influence of the parent's explanation on TD children's understanding of ASD warrants further research. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.02.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125

MMR-Vaccine and Regression in Autism Spectrum Disorders: Negative Results Presented from Japan / Tokio UCHIYAMA in Journal of Autism and Developmental Disorders, 37-2 (February 2007)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 37-2 (February 2007) . - p.210-217 Titre : MMR-Vaccine and Regression in Autism Spectrum Disorders: Negative Results Presented from Japan Type de document : Texte imprimé et/ou numérique Auteurs : Tokio UCHIYAMA, Auteur ; Michiko KUROSAWA, Auteur ; Yutaka INABA, Auteur Année de publication : 2007 Article en page(s) : p.210-217 Langues : Anglais (eng) Mots-clés : MMR Autism ASD Regression Index. décimale : PER Périodiques Résumé : It has been suggested that the measles, mumps, and rubella vaccine (MMR) is a cause of regressive autism. As MMR was used in Japan only between 1989 and 1993, this time period affords a natural experiment to examine this hypothesis. Data on 904 patients with autism spectrum disorders (ASD) were analyzed. During the period of MMR usage no significant difference was found in the incidence of regression between MMR-vaccinated children and non-vaccinated children. Among the proportion and incidence of regression across the three MMR-program-related periods (before, during and after MMR usage), no significant difference was found between those who had received MMR and those who had not. Moreover, the incidence of regression did not change significantly across the three periods. En ligne : http://dx.doi.org/10.1007/s10803-006-0157-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=626 [article] MMR-Vaccine and Regression in Autism Spectrum Disorders: Negative Results Presented from Japan [Texte imprimé et/ou numérique] / Tokio UCHIYAMA, Auteur ; Michiko KUROSAWA, Auteur ; Yutaka INABA, Auteur . - 2007 . - p.210-217. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 37-2 (February 2007) . - p.210-217 Mots-clés : MMR Autism ASD Regression Index. décimale : PER Périodiques Résumé : It has been suggested that the measles, mumps, and rubella vaccine (MMR) is a cause of regressive autism. As MMR was used in Japan only between 1989 and 1993, this time period affords a natural experiment to examine this hypothesis. Data on 904 patients with autism spectrum disorders (ASD) were analyzed. During the period of MMR usage no significant difference was found in the incidence of regression between MMR-vaccinated children and non-vaccinated children. Among the proportion and incidence of regression across the three MMR-program-related periods (before, during and after MMR usage), no significant difference was found between those who had received MMR and those who had not. Moreover, the incidence of regression did not change significantly across the three periods. En ligne : http://dx.doi.org/10.1007/s10803-006-0157-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=626

Psychometric properties of the Repetitive Behavior Scale-Revised for individuals with autism spectrum disorder in Japan / Naoko INADA in Research in Autism Spectrum Disorders, 15-16 (July 2015)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 15-16 (July 2015) . - p.60-68 Titre : Psychometric properties of the Repetitive Behavior Scale-Revised for individuals with autism spectrum disorder in Japan Type de document : Texte imprimé et/ou numérique Auteurs : Naoko INADA, Auteur ; Hiroyuki ITO, Auteur ; Kazuhiro YASUNAGA, Auteur ; Miho KURODA, Auteur ; Ryoichiro IWANAGA, Auteur ; Taku HAGIWARA, Auteur ; Iori TANI, Auteur ; Ryoji YUKIHIRO, Auteur ; Tokio UCHIYAMA, Auteur ; Kei OGASAHARA, Auteur ; Koichi HARA, Auteur ; Masahiko INOUE, Auteur ; Takashi MURAKAMI, Auteur ; Fumio SOMEKI, Auteur ; Kazuhiko NAKAMURA, Auteur ; Toshiro SUGIYAMA, Auteur ; Hiroyuki UCHIDA, Auteur ; Hironobu ICHIKAWA, Auteur ; Yuki KAWAKUBO, Auteur ; Yukiko KANO, Auteur ; Masatsugu TSUJII, Auteur Article en page(s) : p.60-68 Langues : Anglais (eng) Mots-clés : Restricted and repetitive behaviors  Autism spectrum disorder  Repetitive Behavior Scale-Revised Japanese Version  Reliability  Validity Index. décimale : PER Périodiques Résumé : Restricted and repetitive behaviors (RRBs) constitute a core symptom of autism spectrum disorder (ASD). The Repetitive Behavior Scale-Revised (RBS-R) is a widely used questionnaire administered by parents or caregivers to assess RRBs in individuals with ASD. This study evaluated the psychometric properties of the RBS-R Japanese Version (RBS-R-J). The ASD and non-ASD groups comprised 274 and 36 participants, respectively. We examined corrected item-total correlation, Cronbach's alpha, and RBS-R-J scores of different diagnostic groups, as well as correlations between RBS-R-J scores and intelligence quotient (IQ), autistic symptoms, adaptive/maladaptive functioning, aberrant behaviors, and sensory processing. All items showed moderate corrected item-total correlations. Cronbach's alpha coefficient was .93. We found significant differences in the mean RBS-R-J scores of the low-functioning ASD group and the intellectual disabilities group, and of low-functioning and high-functioning ASD groups. RBS-R-J scores negatively correlated with IQ and scores on the Sensory Profile (Japanese version) and Adaptive Behavior Composite of the Maladaptive Behavior Index of the Vineland Adaptive Behavior Scales-Second Edition (VABS-II; Japanese version), but positively correlated with scores on the peak and current symptoms subscales of the Pervasive Developmental Disorders Autism Society Japan Rating Scale, the VABS-II, and the Aberrant Behavior Checklist-Community (Japanese version). From these results, we conclude that RBS-R-J showed good reliability, diagnostic validity, and convergent validity, indicating that it is a reliable, valid instrument for use among ASD individuals in clinical and research settings. En ligne : http://dx.doi.org/10.1016/j.rasd.2015.01.002 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=261 [article] Psychometric properties of the Repetitive Behavior Scale-Revised for individuals with autism spectrum disorder in Japan [Texte imprimé et/ou numérique] / Naoko INADA, Auteur ; Hiroyuki ITO, Auteur ; Kazuhiro YASUNAGA, Auteur ; Miho KURODA, Auteur ; Ryoichiro IWANAGA, Auteur ; Taku HAGIWARA, Auteur ; Iori TANI, Auteur ; Ryoji YUKIHIRO, Auteur ; Tokio UCHIYAMA, Auteur ; Kei OGASAHARA, Auteur ; Koichi HARA, Auteur ; Masahiko INOUE, Auteur ; Takashi MURAKAMI, Auteur ; Fumio SOMEKI, Auteur ; Kazuhiko NAKAMURA, Auteur ; Toshiro SUGIYAMA, Auteur ; Hiroyuki UCHIDA, Auteur ; Hironobu ICHIKAWA, Auteur ; Yuki KAWAKUBO, Auteur ; Yukiko KANO, Auteur ; Masatsugu TSUJII, Auteur . - p.60-68. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 15-16 (July 2015) . - p.60-68 Mots-clés : Restricted and repetitive behaviors  Autism spectrum disorder  Repetitive Behavior Scale-Revised Japanese Version  Reliability  Validity Index. décimale : PER Périodiques Résumé : Restricted and repetitive behaviors (RRBs) constitute a core symptom of autism spectrum disorder (ASD). The Repetitive Behavior Scale-Revised (RBS-R) is a widely used questionnaire administered by parents or caregivers to assess RRBs in individuals with ASD. This study evaluated the psychometric properties of the RBS-R Japanese Version (RBS-R-J). The ASD and non-ASD groups comprised 274 and 36 participants, respectively. We examined corrected item-total correlation, Cronbach's alpha, and RBS-R-J scores of different diagnostic groups, as well as correlations between RBS-R-J scores and intelligence quotient (IQ), autistic symptoms, adaptive/maladaptive functioning, aberrant behaviors, and sensory processing. All items showed moderate corrected item-total correlations. Cronbach's alpha coefficient was .93. We found significant differences in the mean RBS-R-J scores of the low-functioning ASD group and the intellectual disabilities group, and of low-functioning and high-functioning ASD groups. RBS-R-J scores negatively correlated with IQ and scores on the Sensory Profile (Japanese version) and Adaptive Behavior Composite of the Maladaptive Behavior Index of the Vineland Adaptive Behavior Scales-Second Edition (VABS-II; Japanese version), but positively correlated with scores on the peak and current symptoms subscales of the Pervasive Developmental Disorders Autism Society Japan Rating Scale, the VABS-II, and the Aberrant Behavior Checklist-Community (Japanese version). From these results, we conclude that RBS-R-J showed good reliability, diagnostic validity, and convergent validity, indicating that it is a reliable, valid instrument for use among ASD individuals in clinical and research settings. En ligne : http://dx.doi.org/10.1016/j.rasd.2015.01.002 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=261

Reliability and Validity of Autism Diagnostic Interview-Revised, Japanese Version / Kenji J. TSUCHIYA in Journal of Autism and Developmental Disorders, 43-3 (March 2013)  

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The Autism-Spectrum Quotient (AQ) Children’s Version in Japan: A Cross-Cultural Comparison / Akio WAKABAYASHI in Journal of Autism and Developmental Disorders, 37-3 (March 2007)  

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Validation of an interview-based rating scale developed in Japan for pervasive developmental disorders / Hiroyuki ITO in Research in Autism Spectrum Disorders, 6-4 (October-December 2012)  

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