Comparing early language development in monolingual- and bilingual- exposed young children with autism spectrum disorders / Kaori OHASHI J. in Research in Autism Spectrum Disorders, 6-2 (April-June 2012)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 6-2 (April-June 2012) . - p.890-897 Titre : Comparing early language development in monolingual- and bilingual- exposed young children with autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : Kaori OHASHI J., Auteur ; Pat MIRENDA, Auteur ; Stefka MARINOVA-TODD, Auteur ; Catherine HAMBLY, Auteur ; Eric FOMBONNE, Auteur ; Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Wendy ROBERTS, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Stelios GEORGIADES, Auteur ; Eric DUKU, Auteur ; Ann THOMPSON, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur Année de publication : 2012 Article en page(s) : p.890-897 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Language development  Bilingual  Monolingual Index. décimale : PER Périodiques Résumé : The purpose of this study was to compare a group of recently diagnosed bilingual-exposed children with autism (n = 20) aged 24–52 months with a matched group of monolingual-exposed children with autism (n = 40). The groups were matched with regard to chronological age at the time of language assessment and nonverbal IQ score, then compared with regard to the severity of children's autism-related communication impairment, age of first words, age of first phrases, receptive language scores, expressive language scores, and functional communication scores. Univariate ANOVAs were performed for autism-related communication impairment, age of first words, and age of first phrases. A MANCOVA, with the total number of speech-language and applied behavior analysis intervention hours entered as a covariate, was performed on the remaining dependent variables. No statistically significant differences between the two groups on any of the language measures were observed. The results suggest that a bilingual language environment does not disadvantage young children with autism in the early stages of language development. Study limitations and research and clinical implications are discussed. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.12.002 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=150 [article] Comparing early language development in monolingual- and bilingual- exposed young children with autism spectrum disorders [Texte imprimé et/ou numérique] / Kaori OHASHI J., Auteur ; Pat MIRENDA, Auteur ; Stefka MARINOVA-TODD, Auteur ; Catherine HAMBLY, Auteur ; Eric FOMBONNE, Auteur ; Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Wendy ROBERTS, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Stelios GEORGIADES, Auteur ; Eric DUKU, Auteur ; Ann THOMPSON, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur . - 2012 . - p.890-897. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 6-2 (April-June 2012) . - p.890-897 Mots-clés : Autism spectrum disorder  Language development  Bilingual  Monolingual Index. décimale : PER Périodiques Résumé : The purpose of this study was to compare a group of recently diagnosed bilingual-exposed children with autism (n = 20) aged 24–52 months with a matched group of monolingual-exposed children with autism (n = 40). The groups were matched with regard to chronological age at the time of language assessment and nonverbal IQ score, then compared with regard to the severity of children's autism-related communication impairment, age of first words, age of first phrases, receptive language scores, expressive language scores, and functional communication scores. Univariate ANOVAs were performed for autism-related communication impairment, age of first words, and age of first phrases. A MANCOVA, with the total number of speech-language and applied behavior analysis intervention hours entered as a covariate, was performed on the remaining dependent variables. No statistically significant differences between the two groups on any of the language measures were observed. The results suggest that a bilingual language environment does not disadvantage young children with autism in the early stages of language development. Study limitations and research and clinical implications are discussed. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.12.002 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=150

Factor analysis of the Parenting Stress Index-Short Form with parents of young children with autism spectrum disorders / Anat ZAIDMAN-ZAIT in Autism Research, 4-5 (October 2011)  

Public ISBD [article]  inAutism Research > 4-5 (October 2011) . - p.336-346 Titre : Factor analysis of the Parenting Stress Index-Short Form with parents of young children with autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : Anat ZAIDMAN-ZAIT, Auteur ; Pat MIRENDA, Auteur ; Bruno D. ZUMBO, Auteur ; Stelios GEORGIADES, Auteur ; Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Wendy ROBERTS, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Eric DUKU, Auteur ; Ann THOMPSON, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur Année de publication : 2011 Article en page(s) : p.336-346 Langues : Anglais (eng) Mots-clés : autism spectrum disorders  parenting stress  factor analysis  Parenting Stress Index-Short Form Index. décimale : PER Périodiques Résumé : The primary purpose of this study was to examine the underlying factor structure of the Parenting Stress Index-Short Form (PSI-SF) in a large cohort of parents of young children with autism spectrum disorder (ASD). A secondary goal was to examine relationships between PSI-SF factors and autism severity, child behavior problems, and parental mental health variables that have been shown to be related to parental stress in previous research. A confirmatory factor analysis (CFA) was used to examine the three-factor structure described in the PSI-SF manual [Abidin, 1995]: parental distress, parent–child dysfunctional interaction, and difficult child. Results of the CFA indicated that the three-factor structure was unacceptable when applied to the study sample. Thus, an exploratory factor analysis was conducted and suggested a six-factor model as the best alternative for the PSI-SF index. Spearman's correlations revealed significant positive correlations with moderate to large effect sizes between the revised PSI-SF factors and autism severity, externalizing and internalizing child behaviors, and an index of parent mental health. The revised factors represent more narrowly defined aspects of the three original subscales of the PSI-SF and might prove to be advantageous in both research and clinical applications. Autism Res2011,4:336–346. © 2011 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.213 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=145 [article] Factor analysis of the Parenting Stress Index-Short Form with parents of young children with autism spectrum disorders [Texte imprimé et/ou numérique] / Anat ZAIDMAN-ZAIT, Auteur ; Pat MIRENDA, Auteur ; Bruno D. ZUMBO, Auteur ; Stelios GEORGIADES, Auteur ; Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Wendy ROBERTS, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Eric DUKU, Auteur ; Ann THOMPSON, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur . - 2011 . - p.336-346. Langues : Anglais (eng) in Autism Research > 4-5 (October 2011) . - p.336-346 Mots-clés : autism spectrum disorders  parenting stress  factor analysis  Parenting Stress Index-Short Form Index. décimale : PER Périodiques Résumé : The primary purpose of this study was to examine the underlying factor structure of the Parenting Stress Index-Short Form (PSI-SF) in a large cohort of parents of young children with autism spectrum disorder (ASD). A secondary goal was to examine relationships between PSI-SF factors and autism severity, child behavior problems, and parental mental health variables that have been shown to be related to parental stress in previous research. A confirmatory factor analysis (CFA) was used to examine the three-factor structure described in the PSI-SF manual [Abidin, 1995]: parental distress, parent–child dysfunctional interaction, and difficult child. Results of the CFA indicated that the three-factor structure was unacceptable when applied to the study sample. Thus, an exploratory factor analysis was conducted and suggested a six-factor model as the best alternative for the PSI-SF index. Spearman's correlations revealed significant positive correlations with moderate to large effect sizes between the revised PSI-SF factors and autism severity, externalizing and internalizing child behaviors, and an index of parent mental health. The revised factors represent more narrowly defined aspects of the three original subscales of the PSI-SF and might prove to be advantageous in both research and clinical applications. Autism Res2011,4:336–346. © 2011 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.213 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=145

Influence of reporting effects on the association between maternal depression and child autism spectrum disorder behaviors / Teresa BENNETT in Journal of Child Psychology and Psychiatry, 53-1 (January 2012)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 53-1 (January 2012) . - p.89-96 Titre : Influence of reporting effects on the association between maternal depression and child autism spectrum disorder behaviors Type de document : Texte imprimé et/ou numérique Auteurs : Teresa BENNETT, Auteur ; Michael H. BOYLE, Auteur ; Katholiki GEORGIADES, Auteur ; Stelios GEORGIADES, Auteur ; Ann THOMPSON, Auteur ; Eric DUKU, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Tracy VAILLANCOURT, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Isabel M. SMITH, Auteur ; Pat MIRENDA, Auteur ; Wendy ROBERTS, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur ; Peter SZATMARI, Auteur Année de publication : 2012 Article en page(s) : p.89-96 Langues : Anglais (eng) Mots-clés : Autistic disorder  Asperger’s disorder  methodology  maternal depression  structural equation modeling Index. décimale : PER Périodiques Résumé : Background:  Maximizing measurement accuracy is an important aim in child development assessment and research. Parents are essential informants in the diagnostic process, and past research suggests that certain parental characteristics may influence how they report information about their children. This has not been studied in autism spectrum disorders (ASD) to date. We aimed, therefore, to investigate the possible effect that maternal depression might have on a mother’s reports of her child’s ASD behaviors. Using structural equation modeling, we disaggregated shared from unique variation in the association between latent variable measures of maternal depression and ASD behaviors. Methods:  Data were obtained from a study of preschoolers aged 2–4 newly diagnosed with ASD (n = 214). Information from a parent questionnaire, a semi-structured parent interview, and a semi-structured observational assessment was used to develop a latent variable measure of child ASD behaviors. Mothers reported on their own depression symptoms. We first modeled the covariance between maternal depression and child ASD behavior. Then, to quantify unique variation, we added covariance terms between maternal depression and the residual variation associated with the individual measures of child ASD behaviors. Results:  The model demonstrated excellent fit to the underlying data. Maternal self-report of depression symptoms exhibited a significant association with the unique variance of the questionnaire report but not with the latent variable measure of child ASD behavior. A gradient pattern of association was demonstrated between maternal depression and the unique variance of the ASD measures: most strongly for the maternal questionnaire report, more weakly for the maternal semi-structured interview, and to a trivial extent for the observational interview. Conclusions:  Parental depression may influence reporting of ASD behaviors in preschoolers. Shared method effects may also contribute to bias. This finding highlights the importance of obtaining multimethod reports of child ASD symptoms. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2011.02451.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=148 [article] Influence of reporting effects on the association between maternal depression and child autism spectrum disorder behaviors [Texte imprimé et/ou numérique] / Teresa BENNETT, Auteur ; Michael H. BOYLE, Auteur ; Katholiki GEORGIADES, Auteur ; Stelios GEORGIADES, Auteur ; Ann THOMPSON, Auteur ; Eric DUKU, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Tracy VAILLANCOURT, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Isabel M. SMITH, Auteur ; Pat MIRENDA, Auteur ; Wendy ROBERTS, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur ; Peter SZATMARI, Auteur . - 2012 . - p.89-96. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 53-1 (January 2012) . - p.89-96 Mots-clés : Autistic disorder  Asperger’s disorder  methodology  maternal depression  structural equation modeling Index. décimale : PER Périodiques Résumé : Background:  Maximizing measurement accuracy is an important aim in child development assessment and research. Parents are essential informants in the diagnostic process, and past research suggests that certain parental characteristics may influence how they report information about their children. This has not been studied in autism spectrum disorders (ASD) to date. We aimed, therefore, to investigate the possible effect that maternal depression might have on a mother’s reports of her child’s ASD behaviors. Using structural equation modeling, we disaggregated shared from unique variation in the association between latent variable measures of maternal depression and ASD behaviors. Methods:  Data were obtained from a study of preschoolers aged 2–4 newly diagnosed with ASD (n = 214). Information from a parent questionnaire, a semi-structured parent interview, and a semi-structured observational assessment was used to develop a latent variable measure of child ASD behaviors. Mothers reported on their own depression symptoms. We first modeled the covariance between maternal depression and child ASD behavior. Then, to quantify unique variation, we added covariance terms between maternal depression and the residual variation associated with the individual measures of child ASD behaviors. Results:  The model demonstrated excellent fit to the underlying data. Maternal self-report of depression symptoms exhibited a significant association with the unique variance of the questionnaire report but not with the latent variable measure of child ASD behavior. A gradient pattern of association was demonstrated between maternal depression and the unique variance of the ASD measures: most strongly for the maternal questionnaire report, more weakly for the maternal semi-structured interview, and to a trivial extent for the observational interview. Conclusions:  Parental depression may influence reporting of ASD behaviors in preschoolers. Shared method effects may also contribute to bias. This finding highlights the importance of obtaining multimethod reports of child ASD symptoms. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2011.02451.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=148

Phenotypic Overlap Between Core Diagnostic Features and Emotional/Behavioral Problems in Preschool Children with Autism Spectrum Disorder / Stelios GEORGIADES in Journal of Autism and Developmental Disorders, 41-10 (October 2011)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 41-10 (October 2011) . - p.1321-1329 Titre : Phenotypic Overlap Between Core Diagnostic Features and Emotional/Behavioral Problems in Preschool Children with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Stelios GEORGIADES, Auteur ; Peter SZATMARI, Auteur ; Eric DUKU, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Susan E. BRYSON, Auteur ; Wendy ROBERTS, Auteur ; Eric FOMBONNE, Auteur ; Pat MIRENDA, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Ann THOMPSON, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur Année de publication : 2011 Article en page(s) : p.1321-1329 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Comorbidity  Emotional/behavioral problems  Phenotype  Principal component analysis Index. décimale : PER Périodiques Résumé : This study examined the phenotypic overlap between core diagnostic features and emotional/behavioral problems in a sample of 335 preschool children with autism spectrum disorder (ASD). Results from principal component analysis (2 components; 49.70% variance explained) suggested substantial phenotypic overlap between core diagnostic features and emotional/behavioral problems. Component I, Emotional Behavioral Repetitive Problems, was independent of the children’s intellectual, adaptive functioning, and structural language abilities. Component II, Social Communication Deficits, was negatively related to the children’s intellectual, adaptive functioning, and structural language abilities. Both components were positively related to parental stress. This exploratory study contributes to our understanding of the ASD phenotype and provides further support for including emotional/behavioral problems as part of the clinical characterization of children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-010-1158-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=143 [article] Phenotypic Overlap Between Core Diagnostic Features and Emotional/Behavioral Problems in Preschool Children with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Stelios GEORGIADES, Auteur ; Peter SZATMARI, Auteur ; Eric DUKU, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Susan E. BRYSON, Auteur ; Wendy ROBERTS, Auteur ; Eric FOMBONNE, Auteur ; Pat MIRENDA, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Ann THOMPSON, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur . - 2011 . - p.1321-1329. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 41-10 (October 2011) . - p.1321-1329 Mots-clés : Autism spectrum disorder  Comorbidity  Emotional/behavioral problems  Phenotype  Principal component analysis Index. décimale : PER Périodiques Résumé : This study examined the phenotypic overlap between core diagnostic features and emotional/behavioral problems in a sample of 335 preschool children with autism spectrum disorder (ASD). Results from principal component analysis (2 components; 49.70% variance explained) suggested substantial phenotypic overlap between core diagnostic features and emotional/behavioral problems. Component I, Emotional Behavioral Repetitive Problems, was independent of the children’s intellectual, adaptive functioning, and structural language abilities. Component II, Social Communication Deficits, was negatively related to the children’s intellectual, adaptive functioning, and structural language abilities. Both components were positively related to parental stress. This exploratory study contributes to our understanding of the ASD phenotype and provides further support for including emotional/behavioral problems as part of the clinical characterization of children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-010-1158-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=143

Validating the Repetitive Behavior Scale-Revised in Young Children with Autism Spectrum Disorder / Pat MIRENDA in Journal of Autism and Developmental Disorders, 40-12 (December 2010)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 40-12 (December 2010) . - p.1521-1530 Titre : Validating the Repetitive Behavior Scale-Revised in Young Children with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Pat MIRENDA, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Stelios GEORGIADES, Auteur ; Eric DUKU, Auteur ; Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Wendy ROBERTS, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur Année de publication : 2010 Article en page(s) : p.1521-1530 Langues : Anglais (eng) Mots-clés : Repetitive behavior  Autism spectrum disorder  Factor analysis  Internal validity  External validity  Preschool Index. décimale : PER Périodiques Résumé : This study examined the factor structure of the Repetitive Behavior Scale-Revised (RBS-R) in a sample of 287 preschool-aged children with autism spectrum disorder (ASD). A confirmatory factor analysis was used to examine six competing structural models. Spearman’s rank order correlations were calculated to examine the associations between factor scores and variables of interest. The 3- and 5-factor models were selected as preferable on the basis of fit statistics and parsimony. For both models, the strongest correlations were with problem behavior scores on the Child Behavior Checklist and repetitive behavior scores on the ADI-R. Developmental index standard scores were not correlated with factors in either model. The results confirm the utility of the RBS-R as a measure of repetitive behaviors in young children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-010-1012-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=114 [article] Validating the Repetitive Behavior Scale-Revised in Young Children with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Pat MIRENDA, Auteur ; Isabel M. SMITH, Auteur ; Tracy VAILLANCOURT, Auteur ; Stelios GEORGIADES, Auteur ; Eric DUKU, Auteur ; Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Wendy ROBERTS, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; THE PATHWAYS IN ASD STUDY TEAM, Auteur . - 2010 . - p.1521-1530. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 40-12 (December 2010) . - p.1521-1530 Mots-clés : Repetitive behavior  Autism spectrum disorder  Factor analysis  Internal validity  External validity  Preschool Index. décimale : PER Périodiques Résumé : This study examined the factor structure of the Repetitive Behavior Scale-Revised (RBS-R) in a sample of 287 preschool-aged children with autism spectrum disorder (ASD). A confirmatory factor analysis was used to examine six competing structural models. Spearman’s rank order correlations were calculated to examine the associations between factor scores and variables of interest. The 3- and 5-factor models were selected as preferable on the basis of fit statistics and parsimony. For both models, the strongest correlations were with problem behavior scores on the Child Behavior Checklist and repetitive behavior scores on the ADI-R. Developmental index standard scores were not correlated with factors in either model. The results confirm the utility of the RBS-R as a measure of repetitive behaviors in young children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-010-1012-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=114

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