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Auteur Charlotte WADDELL |
Documents disponibles écrits par cet auteur (21)
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Predictors of language regression and its association with subsequent communication development in children with autism / Andrew PICKLES in Journal of Child Psychology and Psychiatry, 63-11 (November 2022)
[article]
Titre : Predictors of language regression and its association with subsequent communication development in children with autism Type de document : Texte imprimé et/ou numérique Auteurs : Andrew PICKLES, Auteur ; Nicola WRIGHT, Auteur ; Rachael BEDFORD, Auteur ; Mandy STEIMAN, Auteur ; Eric DUKU, Auteur ; Teresa BENNETT, Auteur ; Stelios GEORGIADES, Auteur ; Connor M. KERNS, Auteur ; Pat MIRENDA, Auteur ; Isabel M. SMITH, Auteur ; Wendy J. UNGAR, Auteur ; Tracy VAILLANCOURT, Auteur ; Charlotte WADDELL, Auteur ; Anat ZAIDMAN-ZAIT, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Peter SZATMARI, Auteur ; Mayada ELSABBAGH, Auteur Article en page(s) : p.1243-1251 Langues : Anglais (eng) Mots-clés : Child Child, Preschool Humans Autism Spectrum Disorder/diagnosis Autistic Disorder/complications Longitudinal Studies Prospective Studies Language Development Disorders/complications Speech Language Development Language autism development Index. décimale : PER Périodiques Résumé : BACKGROUND: Language regression, broadly defined as the loss of acquired language skills in early childhood, is a distinctive feature of autism. Little is known about the factors underlying regression or the prognosis of children who exhibit regression. We examine potential predictors of language regression and test its association with language development in a prospective longitudinal sample of children with autism spectrum disorder (ASD) from diagnosis to age 10 years. METHODS: We analysed data from Pathways in ASD, a prospective longitudinal study of 421 children enrolled around the time of an autism diagnosis between 2 and 5 years. Autism Diagnostic Interview-Revised data were available for 408 children, of whom 90 (22%) were classified as having language regression. RESULTS: Demographic and other health factors including caregiver education, family income, child sex, reported seizures, and age of enrolment did not differ between children with and without language regression. Children with language regression walked earlier and attained first words sooner than those without regression. However, both groups attained phrase speech at comparable ages. Those with regression exhibited greater delays in expressive and receptive communication over the follow-up period, although this effect was attenuated when accounting for baseline differences in motor and cognitive ability. Overall, those with language regression continued to exhibit expressive but not receptive communication delay compared to those without regression. Communication trajectories were heterogeneous to age 10 years, irrespective of regression status. CONCLUSIONS: Although language regression can be alarming, our findings confirm that its occurrence does not necessarily foreshadow worse developmental outcomes relative to those without regression. Although a discrepancy in age-equivalent communication skills may persist, this can be expected to be of less practical importance with rising average levels of skills. Future studies need to account for the significant variability in language trajectories by considering factors beyond developmental regression. En ligne : http://dx.doi.org/10.1111/jcpp.13565 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=490
in Journal of Child Psychology and Psychiatry > 63-11 (November 2022) . - p.1243-1251[article] Predictors of language regression and its association with subsequent communication development in children with autism [Texte imprimé et/ou numérique] / Andrew PICKLES, Auteur ; Nicola WRIGHT, Auteur ; Rachael BEDFORD, Auteur ; Mandy STEIMAN, Auteur ; Eric DUKU, Auteur ; Teresa BENNETT, Auteur ; Stelios GEORGIADES, Auteur ; Connor M. KERNS, Auteur ; Pat MIRENDA, Auteur ; Isabel M. SMITH, Auteur ; Wendy J. UNGAR, Auteur ; Tracy VAILLANCOURT, Auteur ; Charlotte WADDELL, Auteur ; Anat ZAIDMAN-ZAIT, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Peter SZATMARI, Auteur ; Mayada ELSABBAGH, Auteur . - p.1243-1251.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 63-11 (November 2022) . - p.1243-1251
Mots-clés : Child Child, Preschool Humans Autism Spectrum Disorder/diagnosis Autistic Disorder/complications Longitudinal Studies Prospective Studies Language Development Disorders/complications Speech Language Development Language autism development Index. décimale : PER Périodiques Résumé : BACKGROUND: Language regression, broadly defined as the loss of acquired language skills in early childhood, is a distinctive feature of autism. Little is known about the factors underlying regression or the prognosis of children who exhibit regression. We examine potential predictors of language regression and test its association with language development in a prospective longitudinal sample of children with autism spectrum disorder (ASD) from diagnosis to age 10 years. METHODS: We analysed data from Pathways in ASD, a prospective longitudinal study of 421 children enrolled around the time of an autism diagnosis between 2 and 5 years. Autism Diagnostic Interview-Revised data were available for 408 children, of whom 90 (22%) were classified as having language regression. RESULTS: Demographic and other health factors including caregiver education, family income, child sex, reported seizures, and age of enrolment did not differ between children with and without language regression. Children with language regression walked earlier and attained first words sooner than those without regression. However, both groups attained phrase speech at comparable ages. Those with regression exhibited greater delays in expressive and receptive communication over the follow-up period, although this effect was attenuated when accounting for baseline differences in motor and cognitive ability. Overall, those with language regression continued to exhibit expressive but not receptive communication delay compared to those without regression. Communication trajectories were heterogeneous to age 10 years, irrespective of regression status. CONCLUSIONS: Although language regression can be alarming, our findings confirm that its occurrence does not necessarily foreshadow worse developmental outcomes relative to those without regression. Although a discrepancy in age-equivalent communication skills may persist, this can be expected to be of less practical importance with rising average levels of skills. Future studies need to account for the significant variability in language trajectories by considering factors beyond developmental regression. En ligne : http://dx.doi.org/10.1111/jcpp.13565 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=490 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 A Qualitative Study of Autism Policy in Canada: Seeking Consensus on Children’s Services / Cody A. SHEPHERD in Journal of Autism and Developmental Disorders, 45-11 (November 2015)
[article]
Titre : A Qualitative Study of Autism Policy in Canada: Seeking Consensus on Children’s Services Type de document : Texte imprimé et/ou numérique Auteurs : Cody A. SHEPHERD, Auteur ; Charlotte WADDELL, Auteur Article en page(s) : p.3550-3564 Langues : Anglais (eng) Mots-clés : Autism policy and services Children and families Canada Qualitative research Index. décimale : PER Périodiques Résumé : Canadian autism policy has been unusually contentious, with parents resorting to litigation to secure services for their children in several provinces. To ascertain whether consensus was possible on improving services, we conducted an in-depth qualitative interview study with 39 parents, policymakers and researchers across the country. Parents vividly described the stresses of caring for their children, with considerable sympathy from researchers. Policymakers in turn struggled to balance the needs of all children. Yet participants agreed on the need for more comprehensive services across the spectrum and throughout the lifespan, and on the need to “do more for all” children. Our findings suggest that there is an emerging consensus on improving autism services in Canada—which should greatly benefit children. En ligne : http://dx.doi.org/10.1007/s10803-015-2502-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=270
in Journal of Autism and Developmental Disorders > 45-11 (November 2015) . - p.3550-3564[article] A Qualitative Study of Autism Policy in Canada: Seeking Consensus on Children’s Services [Texte imprimé et/ou numérique] / Cody A. SHEPHERD, Auteur ; Charlotte WADDELL, Auteur . - p.3550-3564.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 45-11 (November 2015) . - p.3550-3564
Mots-clés : Autism policy and services Children and families Canada Qualitative research Index. décimale : PER Périodiques Résumé : Canadian autism policy has been unusually contentious, with parents resorting to litigation to secure services for their children in several provinces. To ascertain whether consensus was possible on improving services, we conducted an in-depth qualitative interview study with 39 parents, policymakers and researchers across the country. Parents vividly described the stresses of caring for their children, with considerable sympathy from researchers. Policymakers in turn struggled to balance the needs of all children. Yet participants agreed on the need for more comprehensive services across the spectrum and throughout the lifespan, and on the need to “do more for all” children. Our findings suggest that there is an emerging consensus on improving autism services in Canada—which should greatly benefit children. En ligne : http://dx.doi.org/10.1007/s10803-015-2502-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=270 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)
Temperament influences the relationship between symptom severity and adaptive functioning in children with autism spectrum disorder / Vivian LEE in Autism, 24-8 (November 2020)
[article]
Titre : Temperament influences the relationship between symptom severity and adaptive functioning in children with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Vivian LEE, Auteur ; Eric DUKU, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Teresa BENNETT, Auteur ; Peter SZATMARI, Auteur ; Mayada ELSABBAGH, Auteur ; Connor M. KERNS, Auteur ; Pat MIRENDA, Auteur ; Isabel M SMITH, Auteur ; Wendy J. UNGAR, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Anat ZAIDMAN-ZAIT, Auteur ; Ann THOMPSON, Auteur ; Stelios GEORGIADES, Auteur Article en page(s) : p.2057-2070 Langues : Anglais (eng) Mots-clés : *adaptive functioning *autism *temperament Index. décimale : PER Périodiques Résumé : Temperament is often thought of as behavioural traits that are relatively stable over time but can vary between individuals. Children diagnosed with autism spectrum disorder are often characterized as having 'reactive' and 'negative' temperaments when compared to same-aged peers with or without disabilities, which can negatively impact the development of adaptive functioning skills but little is known about variations of temperament between individual children diagnosed with autism spectrum disorder. This study aimed to (a) explore the variation of individual temperament traits within a sample of school-aged children with autism spectrum disorder to determine whether subgroups with similar trait profiles emerge and (b) examine whether temperament influences the relationship between autism symptoms and adaptive functioning outcomes. Results from our dataset suggest that children diagnosed with autism spectrum disorder fit under two profiles: 'even' and 'reactive'. Furthermore, our analysis shows that temperament can influence the impact of increasing symptom severity on adaptive functioning skills in children with autism spectrum disorder. Study findings highlight the importance of considering temperament when trying to understand the individual differences that influence the development of functioning and developmental outcomes in children with autism spectrum disorder. En ligne : http://dx.doi.org/10.1177/1362361320933048 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=431
in Autism > 24-8 (November 2020) . - p.2057-2070[article] Temperament influences the relationship between symptom severity and adaptive functioning in children with autism spectrum disorder [Texte imprimé et/ou numérique] / Vivian LEE, Auteur ; Eric DUKU, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Teresa BENNETT, Auteur ; Peter SZATMARI, Auteur ; Mayada ELSABBAGH, Auteur ; Connor M. KERNS, Auteur ; Pat MIRENDA, Auteur ; Isabel M SMITH, Auteur ; Wendy J. UNGAR, Auteur ; Tracy VAILLANCOURT, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Anat ZAIDMAN-ZAIT, Auteur ; Ann THOMPSON, Auteur ; Stelios GEORGIADES, Auteur . - p.2057-2070.
Langues : Anglais (eng)
in Autism > 24-8 (November 2020) . - p.2057-2070
Mots-clés : *adaptive functioning *autism *temperament Index. décimale : PER Périodiques Résumé : Temperament is often thought of as behavioural traits that are relatively stable over time but can vary between individuals. Children diagnosed with autism spectrum disorder are often characterized as having 'reactive' and 'negative' temperaments when compared to same-aged peers with or without disabilities, which can negatively impact the development of adaptive functioning skills but little is known about variations of temperament between individual children diagnosed with autism spectrum disorder. This study aimed to (a) explore the variation of individual temperament traits within a sample of school-aged children with autism spectrum disorder to determine whether subgroups with similar trait profiles emerge and (b) examine whether temperament influences the relationship between autism symptoms and adaptive functioning outcomes. Results from our dataset suggest that children diagnosed with autism spectrum disorder fit under two profiles: 'even' and 'reactive'. Furthermore, our analysis shows that temperament can influence the impact of increasing symptom severity on adaptive functioning skills in children with autism spectrum disorder. Study findings highlight the importance of considering temperament when trying to understand the individual differences that influence the development of functioning and developmental outcomes in children with autism spectrum disorder. En ligne : http://dx.doi.org/10.1177/1362361320933048 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=431 The 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)
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)
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