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Détail de l'auteur
Auteur David G. AMARAL |
Documents disponibles écrits par cet auteur (34)
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Response to Mottron et al. (2023) and Woods et al. (2023) / Einat WAIZBARD-BARTOV in Autism Research, 16-9 (September 2023)
[article]
Titre : Response to Mottron et al. (2023) and Woods et al. (2023) Type de document : Texte imprimé et/ou numérique Auteurs : Einat WAIZBARD-BARTOV, Auteur ; Deborah FEIN, Auteur ; Catherine LORD, Auteur ; David G. AMARAL, Auteur Article en page(s) : p.1660-1661 Langues : Anglais (eng) Index. décimale : PER Périodiques En ligne : https://doi.org/10.1002/aur.2982 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=510
in Autism Research > 16-9 (September 2023) . - p.1660-1661[article] Response to Mottron et al. (2023) and Woods et al. (2023) [Texte imprimé et/ou numérique] / Einat WAIZBARD-BARTOV, Auteur ; Deborah FEIN, Auteur ; Catherine LORD, Auteur ; David G. AMARAL, Auteur . - p.1660-1661.
Langues : Anglais (eng)
in Autism Research > 16-9 (September 2023) . - p.1660-1661
Index. décimale : PER Périodiques En ligne : https://doi.org/10.1002/aur.2982 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=510 Sex differences in the corpus callosum in preschool-aged children with autism spectrum disorder / Christine W. NORDAHL in Molecular Autism, (May 2015)
[article]
Titre : Sex differences in the corpus callosum in preschool-aged children with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Christine W. NORDAHL, Auteur ; Ana-Maria IOSIF, Auteur ; Gregory S. YOUNG, Auteur ; Lee Michael PERRY, Auteur ; Robert DOUGHERTY, Auteur ; Aaron LEE, Auteur ; Deana LI, Auteur ; Michael H. BUONOCORE, Auteur ; Tony SIMON, Auteur ; Sally J ROGERS, Auteur ; Brian WANDELL, Auteur ; David G. AMARAL, Auteur Article en page(s) : p.1-11 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Abnormalities in the corpus callosum have been reported in individuals with autism spectrum disorder (ASD), but few studies have evaluated young children. Sex differences in callosal organization and diffusion characteristics have also not been evaluated fully in ASD. En ligne : http://dx.doi.org/10.1186/s13229-015-0005-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277
in Molecular Autism > (May 2015) . - p.1-11[article] Sex differences in the corpus callosum in preschool-aged children with autism spectrum disorder [Texte imprimé et/ou numérique] / Christine W. NORDAHL, Auteur ; Ana-Maria IOSIF, Auteur ; Gregory S. YOUNG, Auteur ; Lee Michael PERRY, Auteur ; Robert DOUGHERTY, Auteur ; Aaron LEE, Auteur ; Deana LI, Auteur ; Michael H. BUONOCORE, Auteur ; Tony SIMON, Auteur ; Sally J ROGERS, Auteur ; Brian WANDELL, Auteur ; David G. AMARAL, Auteur . - p.1-11.
Langues : Anglais (eng)
in Molecular Autism > (May 2015) . - p.1-11
Index. décimale : PER Périodiques Résumé : Abnormalities in the corpus callosum have been reported in individuals with autism spectrum disorder (ASD), but few studies have evaluated young children. Sex differences in callosal organization and diffusion characteristics have also not been evaluated fully in ASD. En ligne : http://dx.doi.org/10.1186/s13229-015-0005-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277 Trajectories of Autism Symptom Severity Change During Early Childhood / Einat WAIZBARD-BARTOV in Journal of Autism and Developmental Disorders, 51-1 (January 2021)
[article]
Titre : Trajectories of Autism Symptom Severity Change During Early Childhood Type de document : Texte imprimé et/ou numérique Auteurs : Einat WAIZBARD-BARTOV, Auteur ; Emilio FERRER, Auteur ; Gregory S. YOUNG, Auteur ; Brianna HEATH, Auteur ; Sally ROGERS, Auteur ; Christine W. NORDAHL, Auteur ; Marjorie SOLOMON, Auteur ; David G. AMARAL, Auteur Article en page(s) : p.227-242 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Early childhood Sex differences Symptom severity Index. décimale : PER Périodiques Résumé : Autism symptom severity change was evaluated during early childhood in 125 children diagnosed with autism spectrum disorder (ASD). Children were assessed at approximately 3 and 6 years of age for autism symptom severity, IQ and adaptive functioning. Each child was assigned a change score, representing the difference between ADOS Calibrated Severity Scores (CSS) at the two ages. A Decreased Severity Group (28.8%) decreased by 2 or more points; a Stable Severity Group (54.4%) changed by 1 point or less; and an Increased Severity Group (16.8%) increased by 2 or more points. Girls tended to decrease in severity more than boys and increase in severity less than boys. There was no clear relationship between intervention history and membership in the groups. En ligne : http://dx.doi.org/10.1007/s10803-020-04526-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=437
in Journal of Autism and Developmental Disorders > 51-1 (January 2021) . - p.227-242[article] Trajectories of Autism Symptom Severity Change During Early Childhood [Texte imprimé et/ou numérique] / Einat WAIZBARD-BARTOV, Auteur ; Emilio FERRER, Auteur ; Gregory S. YOUNG, Auteur ; Brianna HEATH, Auteur ; Sally ROGERS, Auteur ; Christine W. NORDAHL, Auteur ; Marjorie SOLOMON, Auteur ; David G. AMARAL, Auteur . - p.227-242.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 51-1 (January 2021) . - p.227-242
Mots-clés : Autism spectrum disorder Early childhood Sex differences Symptom severity Index. décimale : PER Périodiques Résumé : Autism symptom severity change was evaluated during early childhood in 125 children diagnosed with autism spectrum disorder (ASD). Children were assessed at approximately 3 and 6 years of age for autism symptom severity, IQ and adaptive functioning. Each child was assigned a change score, representing the difference between ADOS Calibrated Severity Scores (CSS) at the two ages. A Decreased Severity Group (28.8%) decreased by 2 or more points; a Stable Severity Group (54.4%) changed by 1 point or less; and an Increased Severity Group (16.8%) increased by 2 or more points. Girls tended to decrease in severity more than boys and increase in severity less than boys. There was no clear relationship between intervention history and membership in the groups. En ligne : http://dx.doi.org/10.1007/s10803-020-04526-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=437 What will my child's future hold? phenotypes of intellectual development in 2–8?year?olds with autism spectrum disorder / Marjorie SOLOMON in Autism Research, 11-1 (January 2018)
[article]
Titre : What will my child's future hold? phenotypes of intellectual development in 2–8?year?olds with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Marjorie SOLOMON, Auteur ; Ana?Maria IOSIF, Auteur ; P. REINHARDT VANESSA, Auteur ; E. LIBERO LAUREN, Auteur ; Christine W. NORDAHL, Auteur ; Sally OZONOFF, Auteur ; Sally J ROGERS, Auteur ; David G. AMARAL, Auteur Article en page(s) : p.121-132 Langues : Anglais (eng) Mots-clés : intellectual development phenotypes longitudinal ASD IQ early childhood autism spectrum disorder Index. décimale : PER Périodiques Résumé : We examined phenotypes of autism spectrum disorder (ASD) based on trajectories of intellectual development from early (ages 2?3 ½) to middle (ages 5?8) childhood in a recent clinically ascertained cohort. Participants included 102 children (82 males) initially diagnosed with ASD from the Autism Phenome Project longitudinal sample. Latent class growth analysis was used to identify distinct IQ trajectories. Baseline and developmental course differences among groups were assessed using univariate techniques and repeated measures regression models, respectively. A four class model best represented the data. Using the highest posterior probability, participants were assigned to High Challenges (25.5%), Stable Low (17.6%), Changers (35.3%), and Lesser Challenges (21.6%) groups. The High Challenges and Stable Low groups exhibited persistently low IQ, although, the High Challenges group experienced declines while the Stable Low group's scores remained more constant. Changers showed IQ improvement of >?2 standard deviations. The Lesser Challenges group had IQs in the average range at both times that were about 1 standard deviation higher at T2. In summation, 75% of the participants experienced some relative improvements in intellectual and/or other areas of functioning between ages 2 and 8 years. The Changers group demonstrated the most significant IQ change that was accompanied by adaptive communication improvement and declining externalizing symptoms. Only the Lesser Challenges group showed a significant reduction in ASD symptom severity, such that by age 8, 14% of them no longer met ADOS?2 criteria for ASD. All groups showed reductions in internalizing symptoms. Intervention history was not associated with group status. Autism Res 2018, 11: 121?132. ? 2017 International Society for Autism Research, Wiley Periodicals, Inc. Lay Summary We examined how the IQs of children with autism spectrum disorder change between ages 2 and 8, and identified four patterns. Two groups exhibited persistently lower IQs. One group showed IQ increases of greater than 30 points with improved communicate abilities and declining disruptive behaviors. The final group had IQs in the average or better range at both time points, and 14% of them lost their diagnoses. Over half of the children experienced improved intellectual functioning between ages 2 and 8, whereas about 25% showed declines. Findings were not associated with intervention history. En ligne : https://doi.org/10.1002/aur.1884 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=334
in Autism Research > 11-1 (January 2018) . - p.121-132[article] What will my child's future hold? phenotypes of intellectual development in 2–8?year?olds with autism spectrum disorder [Texte imprimé et/ou numérique] / Marjorie SOLOMON, Auteur ; Ana?Maria IOSIF, Auteur ; P. REINHARDT VANESSA, Auteur ; E. LIBERO LAUREN, Auteur ; Christine W. NORDAHL, Auteur ; Sally OZONOFF, Auteur ; Sally J ROGERS, Auteur ; David G. AMARAL, Auteur . - p.121-132.
Langues : Anglais (eng)
in Autism Research > 11-1 (January 2018) . - p.121-132
Mots-clés : intellectual development phenotypes longitudinal ASD IQ early childhood autism spectrum disorder Index. décimale : PER Périodiques Résumé : We examined phenotypes of autism spectrum disorder (ASD) based on trajectories of intellectual development from early (ages 2?3 ½) to middle (ages 5?8) childhood in a recent clinically ascertained cohort. Participants included 102 children (82 males) initially diagnosed with ASD from the Autism Phenome Project longitudinal sample. Latent class growth analysis was used to identify distinct IQ trajectories. Baseline and developmental course differences among groups were assessed using univariate techniques and repeated measures regression models, respectively. A four class model best represented the data. Using the highest posterior probability, participants were assigned to High Challenges (25.5%), Stable Low (17.6%), Changers (35.3%), and Lesser Challenges (21.6%) groups. The High Challenges and Stable Low groups exhibited persistently low IQ, although, the High Challenges group experienced declines while the Stable Low group's scores remained more constant. Changers showed IQ improvement of >?2 standard deviations. The Lesser Challenges group had IQs in the average range at both times that were about 1 standard deviation higher at T2. In summation, 75% of the participants experienced some relative improvements in intellectual and/or other areas of functioning between ages 2 and 8 years. The Changers group demonstrated the most significant IQ change that was accompanied by adaptive communication improvement and declining externalizing symptoms. Only the Lesser Challenges group showed a significant reduction in ASD symptom severity, such that by age 8, 14% of them no longer met ADOS?2 criteria for ASD. All groups showed reductions in internalizing symptoms. Intervention history was not associated with group status. Autism Res 2018, 11: 121?132. ? 2017 International Society for Autism Research, Wiley Periodicals, Inc. Lay Summary We examined how the IQs of children with autism spectrum disorder change between ages 2 and 8, and identified four patterns. Two groups exhibited persistently lower IQs. One group showed IQ increases of greater than 30 points with improved communicate abilities and declining disruptive behaviors. The final group had IQs in the average or better range at both time points, and 14% of them lost their diagnoses. Over half of the children experienced improved intellectual functioning between ages 2 and 8, whereas about 25% showed declines. Findings were not associated with intervention history. En ligne : https://doi.org/10.1002/aur.1884 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=334