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Auteur Eric DUKU |
Documents disponibles écrits par cet auteur (40)
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Predictors of longer-term development of expressive language in two independent longitudinal cohorts of language-delayed preschoolers with Autism Spectrum Disorder / Vanessa H. BAL in Journal of Child Psychology and Psychiatry, 61-7 (July 2020)
[article]
Titre : Predictors of longer-term development of expressive language in two independent longitudinal cohorts of language-delayed preschoolers with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Vanessa H. BAL, Auteur ; Megan FOK, Auteur ; Catherine LORD, Auteur ; Isabel M SMITH, Auteur ; Pat MIRENDA, Auteur ; Peter SZATMARI, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Terry BENNETT, Auteur ; Eric DUKU, Auteur ; Mayada ELSABBAGH, Auteur ; Stelios GEORGIADES, Auteur ; Wendy J. UNGAR, Auteur ; Anat ZAIDMAN-ZAIT, Auteur Article en page(s) : p.826-835 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder language longitudinal studies motor skills conflicts of interest. Index. décimale : PER Périodiques Résumé : BACKGROUND: Studies estimate that 30% of individuals with autism are minimally verbal. Understanding what factors predict longer-term expressive development in children with language delays is critical to inform identification and treatment of those at-risk for persistent language impairments. The present study examined predictors of expressive language development in language-delayed preschoolers followed through later school-age and young adulthood. METHODS: Children using single words or less on the Autism Diagnostic Observation Schedule (ADOS) at approximately 3 years old were drawn from the Early Diagnosis (EDX) and Pathways in ASD longitudinal cohorts. Age-3 predictors of Age-19 ADOS language level were identified using Classification and Regression Trees (CART) in the EDX sample. Linear mixed models examined the effects of CART-identified predictors on Vineland expressive communication (VExp) trajectories from Age-3 to Age-19. The same linear mixed models were examined in the Pathways sample, identifying predictors of VExp from ages 3 to 10.5 years. RESULTS: Significantly delayed fine motor skills (T-score < 20) was the strongest CART predictor of Age-19 language. In the linear mixed models, time, Age-3 fine motor skills and initiation of joint attention (IJA) predicted VExp trajectories in the EDX sample, even when controlling for Age-3 visual receptive abilities. In the Pathways sample, time and Age-3 fine motor skills were significant predictors of VExp trajectories; IJA and cognitive skills were not significant predictors. CONCLUSIONS: Marked deficits in fine motor skills may be a salient proxy marker for identifying language-delayed children with ASD who are at risk for persistent language impairments. This finding adds to the literature demonstrating a relation between motor and language development in ASD. Investigating individual skill areas (e.g., fine motor and nonverbal problem-solving skills), rather than broader indices of developmental level (e.g., nonverbal IQ) may provide important cues to understanding longer-term language outcomes that can be targeted in early intervention. En ligne : http://dx.doi.org/10.1111/jcpp.13117 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429
in Journal of Child Psychology and Psychiatry > 61-7 (July 2020) . - p.826-835[article] Predictors of longer-term development of expressive language in two independent longitudinal cohorts of language-delayed preschoolers with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Vanessa H. BAL, Auteur ; Megan FOK, Auteur ; Catherine LORD, Auteur ; Isabel M SMITH, Auteur ; Pat MIRENDA, Auteur ; Peter SZATMARI, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Terry BENNETT, Auteur ; Eric DUKU, Auteur ; Mayada ELSABBAGH, Auteur ; Stelios GEORGIADES, Auteur ; Wendy J. UNGAR, Auteur ; Anat ZAIDMAN-ZAIT, Auteur . - p.826-835.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 61-7 (July 2020) . - p.826-835
Mots-clés : Autism spectrum disorder language longitudinal studies motor skills conflicts of interest. Index. décimale : PER Périodiques Résumé : BACKGROUND: Studies estimate that 30% of individuals with autism are minimally verbal. Understanding what factors predict longer-term expressive development in children with language delays is critical to inform identification and treatment of those at-risk for persistent language impairments. The present study examined predictors of expressive language development in language-delayed preschoolers followed through later school-age and young adulthood. METHODS: Children using single words or less on the Autism Diagnostic Observation Schedule (ADOS) at approximately 3 years old were drawn from the Early Diagnosis (EDX) and Pathways in ASD longitudinal cohorts. Age-3 predictors of Age-19 ADOS language level were identified using Classification and Regression Trees (CART) in the EDX sample. Linear mixed models examined the effects of CART-identified predictors on Vineland expressive communication (VExp) trajectories from Age-3 to Age-19. The same linear mixed models were examined in the Pathways sample, identifying predictors of VExp from ages 3 to 10.5 years. RESULTS: Significantly delayed fine motor skills (T-score < 20) was the strongest CART predictor of Age-19 language. In the linear mixed models, time, Age-3 fine motor skills and initiation of joint attention (IJA) predicted VExp trajectories in the EDX sample, even when controlling for Age-3 visual receptive abilities. In the Pathways sample, time and Age-3 fine motor skills were significant predictors of VExp trajectories; IJA and cognitive skills were not significant predictors. CONCLUSIONS: Marked deficits in fine motor skills may be a salient proxy marker for identifying language-delayed children with ASD who are at risk for persistent language impairments. This finding adds to the literature demonstrating a relation between motor and language development in ASD. Investigating individual skill areas (e.g., fine motor and nonverbal problem-solving skills), rather than broader indices of developmental level (e.g., nonverbal IQ) may provide important cues to understanding longer-term language outcomes that can be targeted in early intervention. En ligne : http://dx.doi.org/10.1111/jcpp.13117 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429 Primary Care Provider and Child Characteristics Associated with Age of Diagnosis of Autism Spectrum Disorder: A Population-Based Cohort Study / Ayesha SIDDIQUA in Journal of Autism and Developmental Disorders, 52-7 (July 2022)
[article]
Titre : Primary Care Provider and Child Characteristics Associated with Age of Diagnosis of Autism Spectrum Disorder: A Population-Based Cohort Study Type de document : Texte imprimé et/ou numérique Auteurs : Ayesha SIDDIQUA, Auteur ; Magdalena JANUS, Auteur ; Ronit MESTERMAN, Auteur ; Eric DUKU, Auteur ; Kathy GEORGIADES, Auteur ; Farah SAXENA, Auteur ; Haoyu ZHAO, Auteur ; Natasha R. SAUNDERS, Auteur Article en page(s) : p.2896-2910 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/diagnosis/epidemiology Child Cohort Studies Family Humans Ontario/epidemiology Primary Health Care Autism spectrum disorder Developmental disabilities Diagnosis Early development instrument Kindergarten Paediatricians Primary care Index. décimale : PER Périodiques Résumé : In a cohort of kindergarten children in Ontario, Canada with Autism Spectrum Disorder (ASD) (n=1522), we tested the association of age at ASD diagnosis and characteristics of (1) the child's primary care provider and, (2) the child using health administrative databases. We tested the association of primary care practice model and time from developmental delay identification to age at ASD diagnosis. Older age of diagnosis was associated with provider foreign training (vs. domestic) (adjusted Hazard Ratio [aHR] 1.17, 95% CI 1.03, 1.33) but not sex, care model, and years of practice. After developmental delay identification, children with paediatricians had longer time to diagnosis than children with providers in care models (aHR 0.68, 95% CI 0.54, 0.86). Findings can be used to inform primary care provider ASD training. En ligne : http://dx.doi.org/10.1007/s10803-021-05165-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=477
in Journal of Autism and Developmental Disorders > 52-7 (July 2022) . - p.2896-2910[article] Primary Care Provider and Child Characteristics Associated with Age of Diagnosis of Autism Spectrum Disorder: A Population-Based Cohort Study [Texte imprimé et/ou numérique] / Ayesha SIDDIQUA, Auteur ; Magdalena JANUS, Auteur ; Ronit MESTERMAN, Auteur ; Eric DUKU, Auteur ; Kathy GEORGIADES, Auteur ; Farah SAXENA, Auteur ; Haoyu ZHAO, Auteur ; Natasha R. SAUNDERS, Auteur . - p.2896-2910.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 52-7 (July 2022) . - p.2896-2910
Mots-clés : Autism Spectrum Disorder/diagnosis/epidemiology Child Cohort Studies Family Humans Ontario/epidemiology Primary Health Care Autism spectrum disorder Developmental disabilities Diagnosis Early development instrument Kindergarten Paediatricians Primary care Index. décimale : PER Périodiques Résumé : In a cohort of kindergarten children in Ontario, Canada with Autism Spectrum Disorder (ASD) (n=1522), we tested the association of age at ASD diagnosis and characteristics of (1) the child's primary care provider and, (2) the child using health administrative databases. We tested the association of primary care practice model and time from developmental delay identification to age at ASD diagnosis. Older age of diagnosis was associated with provider foreign training (vs. domestic) (adjusted Hazard Ratio [aHR] 1.17, 95% CI 1.03, 1.33) but not sex, care model, and years of practice. After developmental delay identification, children with paediatricians had longer time to diagnosis than children with providers in care models (aHR 0.68, 95% CI 0.54, 0.86). Findings can be used to inform primary care provider ASD training. En ligne : http://dx.doi.org/10.1007/s10803-021-05165-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=477 Similar developmental trajectories in autism and Asperger syndrome: from early childhood to adolescence / Peter SZATMARI in Journal of Child Psychology and Psychiatry, 50-12 (December 2009)
[article]
Titre : Similar developmental trajectories in autism and Asperger syndrome: from early childhood to adolescence Type de document : Texte imprimé et/ou numérique Auteurs : Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Michael H. BOYLE, Auteur ; Liezanne VACCARELLA, Auteur ; Eric DUKU, Auteur ; Teresa BENNETT, Auteur Année de publication : 2009 Article en page(s) : p.1459-1467 Langues : Anglais (eng) Mots-clés : Autistic-spectrum-disorder autism pervasive-developmental-disorder Asperger-syndrome language-impairment adaptive-functioning Index. décimale : PER Périodiques Résumé : Objective: The objective of this study was to chart the developmental trajectories of high-functioning children with autism spectrum disorders (ASD) from early childhood to adolescence using the presence and absence of structural language impairment (StrLI) as a way of differentiating autism from Asperger syndrome (AS).
Method: Sixty-four high-functioning children with ASD were ascertained at 4–6 years of age from several different regional diagnostic and treatment centers. At 6–8 years of age, the ADI-R and the Test of Oral Language Development were used to define an autism group (those with StrLI at 6–8 years of age) and an AS group (those without StrLI). Growth curve analysis was then used to chart the developmental trajectories of these children on measures of autistic symptoms, and adaptive skills in communication, daily living and socialization.
Results: Differentiating the ASD group in terms of the presence/absence of StrLI provided a better explanation of the variation in growth curves than not differentiating high-functioning ASD children. The two groups had similar developmental trajectories but the group without StrLI (the AS group) was functioning better and had fewer autistic symptoms than the group with StrLI (the autism group) on all measures across time. The differences in outcome could not be explained by non-verbal IQ or change in early language skills.
Conclusion: Distinguishing between autism and Asperger syndrome based on the presence or absence of StrLI appears to be a clinically useful way of classifying ASD sub-types.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02123.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=882
in Journal of Child Psychology and Psychiatry > 50-12 (December 2009) . - p.1459-1467[article] Similar developmental trajectories in autism and Asperger syndrome: from early childhood to adolescence [Texte imprimé et/ou numérique] / Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Michael H. BOYLE, Auteur ; Liezanne VACCARELLA, Auteur ; Eric DUKU, Auteur ; Teresa BENNETT, Auteur . - 2009 . - p.1459-1467.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 50-12 (December 2009) . - p.1459-1467
Mots-clés : Autistic-spectrum-disorder autism pervasive-developmental-disorder Asperger-syndrome language-impairment adaptive-functioning Index. décimale : PER Périodiques Résumé : Objective: The objective of this study was to chart the developmental trajectories of high-functioning children with autism spectrum disorders (ASD) from early childhood to adolescence using the presence and absence of structural language impairment (StrLI) as a way of differentiating autism from Asperger syndrome (AS).
Method: Sixty-four high-functioning children with ASD were ascertained at 4–6 years of age from several different regional diagnostic and treatment centers. At 6–8 years of age, the ADI-R and the Test of Oral Language Development were used to define an autism group (those with StrLI at 6–8 years of age) and an AS group (those without StrLI). Growth curve analysis was then used to chart the developmental trajectories of these children on measures of autistic symptoms, and adaptive skills in communication, daily living and socialization.
Results: Differentiating the ASD group in terms of the presence/absence of StrLI provided a better explanation of the variation in growth curves than not differentiating high-functioning ASD children. The two groups had similar developmental trajectories but the group without StrLI (the AS group) was functioning better and had fewer autistic symptoms than the group with StrLI (the autism group) on all measures across time. The differences in outcome could not be explained by non-verbal IQ or change in early language skills.
Conclusion: Distinguishing between autism and Asperger syndrome based on the presence or absence of StrLI appears to be a clinically useful way of classifying ASD sub-types.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02123.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=882 Stability and Change in the Cognitive and Adaptive Behaviour Scores of Preschoolers with Autism Spectrum Disorder / Helen E. FLANAGAN in Journal of Autism and Developmental Disorders, 45-9 (September 2015)
Teacher-Reported Prevalence of FASD in Kindergarten in Canada: Association with Child Development and Problems at Home / Jacqueline PEI in Journal of Autism and Developmental Disorders, 51-2 (February 2021)
[article]
Titre : Teacher-Reported Prevalence of FASD in Kindergarten in Canada: Association with Child Development and Problems at Home Type de document : Texte imprimé et/ou numérique Auteurs : Jacqueline PEI, Auteur ; Caroline REID-WESTOBY, Auteur ; Ayesha SIDDIQUA, Auteur ; Yomna ELSHAMY, Auteur ; Devyn ROREM, Auteur ; Teresa BENNETT, Auteur ; Catherine S. BIRKEN, Auteur ; Rob COPLAN, Auteur ; Eric DUKU, Auteur ; Mark A. FERRO, Auteur ; Barry FORER, Auteur ; Stelios GEORGIADES, Auteur ; Jan Willem GORTER, Auteur ; Martin GUHN, Auteur ; Jonathon MAGUIRE, Auteur ; Heather MANSON, Auteur ; Rob SANTOS, Auteur ; Marni BROWNELL, Auteur ; Magdalena JANUS, Auteur Article en page(s) : p.433-443 Langues : Anglais (eng) Mots-clés : Developmental health Early Development Instrument Fetal Alcohol Spectrum Disorder Kindergarten Prevalence Problems at home Index. décimale : PER Périodiques Résumé : The prevalence of Fetal Alcohol Spectrum Disorder (FASD) may be underestimated as it can be difficult to diagnose in early childhood possibly reflecting unique developmental trajectories relative to other Neurodevelopmental Disabilities (NDDs). Using data collected via the Early Development Instrument (EDI) between 2010 and 2015, we examined the prevalence of kindergarten children with FASD and their concurrent developmental outcomes. We found that the prevalence of FASD ranged from 0.01 to 0.31%. A greater percentage of children with FASD had teacher-reported home problems that interfered with their classroom functioning. Overall children with FASD had higher mean scores on the developmental domains compared to children with NDDs. Results of the current study can inform strategies and policies for early identification and intervention. En ligne : http://dx.doi.org/10.1007/s10803-020-04545-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=440
in Journal of Autism and Developmental Disorders > 51-2 (February 2021) . - p.433-443[article] Teacher-Reported Prevalence of FASD in Kindergarten in Canada: Association with Child Development and Problems at Home [Texte imprimé et/ou numérique] / Jacqueline PEI, Auteur ; Caroline REID-WESTOBY, Auteur ; Ayesha SIDDIQUA, Auteur ; Yomna ELSHAMY, Auteur ; Devyn ROREM, Auteur ; Teresa BENNETT, Auteur ; Catherine S. BIRKEN, Auteur ; Rob COPLAN, Auteur ; Eric DUKU, Auteur ; Mark A. FERRO, Auteur ; Barry FORER, Auteur ; Stelios GEORGIADES, Auteur ; Jan Willem GORTER, Auteur ; Martin GUHN, Auteur ; Jonathon MAGUIRE, Auteur ; Heather MANSON, Auteur ; Rob SANTOS, Auteur ; Marni BROWNELL, Auteur ; Magdalena JANUS, Auteur . - p.433-443.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 51-2 (February 2021) . - p.433-443
Mots-clés : Developmental health Early Development Instrument Fetal Alcohol Spectrum Disorder Kindergarten Prevalence Problems at home Index. décimale : PER Périodiques Résumé : The prevalence of Fetal Alcohol Spectrum Disorder (FASD) may be underestimated as it can be difficult to diagnose in early childhood possibly reflecting unique developmental trajectories relative to other Neurodevelopmental Disabilities (NDDs). Using data collected via the Early Development Instrument (EDI) between 2010 and 2015, we examined the prevalence of kindergarten children with FASD and their concurrent developmental outcomes. We found that the prevalence of FASD ranged from 0.01 to 0.31%. A greater percentage of children with FASD had teacher-reported home problems that interfered with their classroom functioning. Overall children with FASD had higher mean scores on the developmental domains compared to children with NDDs. Results of the current study can inform strategies and policies for early identification and intervention. En ligne : http://dx.doi.org/10.1007/s10803-020-04545-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=440 Temperament influences the relationship between symptom severity and adaptive functioning in children with autism spectrum disorder / Vivian LEE in Autism, 24-8 (November 2020)
PermalinkThe Influence of Bilingual Language Exposure on the Narrative, Social and Pragmatic Abilities of School-Aged Children on the Autism Spectrum / Stefano REZZONICO ; Terry BENNETT ; Eric DUKU ; Stelios GEORGIADES ; Connor KERNS ; Pat MIRENDA ; Annie RICHARD ; Isabel M. SMITH ; Peter SZATMARI ; Tracy VAILLANCOURT ; Charlotte WADDELL ; Anat ZAIDMAN-ZAIT ; Lonnie ZWAIGENBAUM ; Mayada ELSABBAGH in Journal of Autism and Developmental Disorders, 53-12 (December 2023)
PermalinkTrajectory research in children with an autism diagnosis: A scoping review / Stephen J. GENTLES in Autism, 28-3 (March 2024)
PermalinkValidating 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)
PermalinkVariable patterns of daily activity participation across settings in autistic youth: A latent profile transition analysis / Yun-Ju CHEN in Autism, 27-8 (November 2023)
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