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Wright N, Courchesne V, Pickles A, Bedford R, Duku E, Kerns CM, Bennett T, Georgiades S, Hill J, Richard A, Sharp H, Smith IM, Vaillancourt T, Zaidman-Zait A, Zwaigenbaum L, Szatmari P, Elsabbagh M. A longitudinal comparison of emotional, behavioral and attention problems in autistic and typically developing children. Psychol Med 2023; 53:7707-7719. [PMID: 37381780 PMCID: PMC10755241 DOI: 10.1017/s0033291723001599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 04/03/2023] [Accepted: 05/12/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND Mental health problems are elevated in autistic individuals but there is limited evidence on the developmental course of problems across childhood. We compare the level and growth of anxious-depressed, behavioral and attention problems in an autistic and typically developing (TD) cohort. METHODS Latent growth curve models were applied to repeated parent-report Child Behavior Checklist data from age 2-10 years in an inception cohort of autistic children (Pathways, N = 397; 84% boys) and a general population TD cohort (Wirral Child Health and Development Study; WCHADS; N = 884, 49% boys). Percentile plots were generated to quantify the differences between autistic and TD children. RESULTS Autistic children showed elevated levels of mental health problems, but this was substantially reduced by accounting for IQ and sex differences between the autistic and TD samples. There was small differences in growth patterns; anxious-depressed problems were particularly elevated at preschool and attention problems at late childhood. Higher family income predicted lower base-level on all three dimensions, but steeper increase of anxious-depressed problems. Higher IQ predicted lower level of attention problems and faster decline over childhood. Female sex predicted higher level of anxious-depressed and faster decline in behavioral problems. Social-affect autism symptom severity predicted elevated level of attention problems. Autistic girls' problems were particularly elevated relative to their same-sex non-autistic peers. CONCLUSIONS Autistic children, and especially girls, show elevated mental health problems compared to TD children and there are some differences in predictors. Assessment of mental health should be integrated into clinical practice for autistic children.
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Affiliation(s)
- N. Wright
- Department of Psychology, Manchester Metropolitan University, Manchester, UK
| | - V. Courchesne
- Centre for Addiction and Mental Health, University of Toronto, Toronto, Canada
| | - A. Pickles
- Department of Biostatistics & Health Informatics, King's College London, London, UK
| | - R. Bedford
- Department of Psychology, University of Bath, Bath, UK
| | - E. Duku
- McMaster University, Hamilton, Canada
| | - C. M. Kerns
- Department of Psychology, University of British Columbia, Vancouver, Canada
| | | | | | - J. Hill
- School of Psychology & Clinical Language Sciences, University of Reading, Reading, UK
| | - A. Richard
- IWK Health Centre, Autism Research Centre, Halifax, Canada
| | - H. Sharp
- Department of Primary Care and Mental Health, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK
| | - I. M. Smith
- Dalhousie University and IWK Health, Halifax, Canada
| | | | | | | | - P. Szatmari
- Centre for Addiction and Mental Health, University of Toronto, Toronto, Canada
| | - M. Elsabbagh
- Department of Neurology and Neurosurgery, McGill University, Montreal, Canada
| | - Pathways Team
- Department of Psychology, Manchester Metropolitan University, Manchester, UK
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Courchesne V, Bedford R, Pickles A, Duku E, Kerns C, Mirenda P, Bennett T, Georgiades S, Smith IM, Ungar WJ, Vaillancourt T, Zaidman-Zait A, Zwaigenbaum L, Szatmari P, Elsabbagh M. Non-verbal IQ and change in restricted and repetitive behavior throughout childhood in autism: a longitudinal study using the Autism Diagnostic Interview-Revised. Mol Autism 2021; 12:57. [PMID: 34391468 PMCID: PMC8364071 DOI: 10.1186/s13229-021-00461-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 08/02/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Restricted and repetitive behavior (RRB) is one of the characteristic features of Autism Spectrum Disorder. This domain of symptoms includes a broad range of behaviors. There is a need to study each behavior individually to better understand the role of each in the development of autistic children. Moreover, there are currently no longitudinal studies investigating change in these behaviors over development. METHODS The goal of the present study was to explore the association between age and non-verbal IQ (NVIQ) on 15 RRB symptoms included in the Autism Diagnostic Interview-Revised (ADI-R) over time. A total of 205 children with ASD were assessed using the ADI-R at time of diagnosis, at age 6 years, and at age 11 years, and with the Wechsler Intelligence Scales for Children-Fourth Edition (WISC-IV) at age 8 years. RESULTS The proportion of children showing each RRB tended to diminish with increasing age, except for sensitivity to noise and circumscribed interests, where the proportion increased over time. Although there was no significant main effect of NVIQ, there was a significant interaction between age and NVIQ. This was mainly driven by Difficulties with change in routine, for which higher NVIQ was associated with the behavior remaining relatively stable with age, while lower NVIQ was associated with the behavior becoming more prevalent with age. LIMITATIONS The study focused on the presence/absence of each RRB but did not account for potential changes in frequency or severity of the behaviors over development. Furthermore, some limitations are inherent to the measures used. The ADI-R relies on parent report and hence has some level of subjectivity, while the Wechsler intelligence scales can underestimate the intellectual abilities of some autistic children. CONCLUSIONS These results confirm that specific RRB are differentially linked to age and NVIQ. Studying RRB individually is a promising approach to better understanding how RRB change over the development of autistic children and are linked to other developmental domains.
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Affiliation(s)
- V Courchesne
- Department of Neurology and Neurosurgery, McGill University, Montreal, Canada.
| | - R Bedford
- King's College London, London, UK
- University of Bath, Bath, UK
| | | | - E Duku
- McMaster University, Hamilton, Canada
| | - C Kerns
- University of British Columbia, Vancouver, Canada
| | - P Mirenda
- University of British Columbia, Vancouver, Canada
| | - T Bennett
- McMaster University, Hamilton, Canada
| | | | - I M Smith
- Dalhousie University, IWK Health Centre, Halifax, Canada
| | - W J Ungar
- Program of Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, and the Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
| | | | | | | | - P Szatmari
- Centre for Addiction and Mental Health, Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - M Elsabbagh
- Department of Neurology and Neurosurgery, McGill University, Montreal, Canada
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Di Rezze B, Duku E, Szatmari P, Volden J, Georgiades S, Zwaigenbaum L, Smith IM, Vaillancourt T, Bennett TA, Elsabbagh M, Thompson A, Ungar WJ, Waddell C. Examining Trajectories of Daily Living Skills over the Preschool Years for Children with Autism Spectrum Disorder. J Autism Dev Disord 2020; 49:4390-4399. [PMID: 31372802 DOI: 10.1007/s10803-019-04150-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Preschool children with autism spectrum disorder (ASD) experience slower development of daily living skills (DLS) that are essential for independent functioning compared to typically developing children. Few studies have examined the trajectories of DLS in preschoolers with ASD and the existing literature has reported conflicting results. This study examined DLS trajectories and potential covariates for preschoolers with ASD from a multi-site longitudinal study following children from diagnosis to the end of grade 1. Multi-level modeling was conducted with DLS domain scores from the Vineland Adaptive Behavior Scales-2. The results demonstrated a positive trajectory of increasing scores over time, associations of age of diagnosis, developmental level, stereotypy, and language skills with the mean score at T4 or age 6 years, whereas rate of change was only associated with ASD symptom severity, such that an improvement in DLS trajectory was associated with lower and improving ASD symptom severity.
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Affiliation(s)
- B Di Rezze
- School of Rehabilitation Sciences, Faculty of Health Sciences, Institute of Applied Health Sciences, McMaster University, Room 436, 1400 Main St. W., Hamilton, ON, L8S 1C7, Canada.
| | - E Duku
- Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada
| | - P Szatmari
- Centre for Addiction and Mental Health, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
| | - J Volden
- Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada
| | - S Georgiades
- Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada
| | - L Zwaigenbaum
- Department of Pediatrics, University of Alberta, Edmonton, Canada
| | - I M Smith
- IWK Health Centre, Dalhousie University, Halifax, NS, Canada
| | - T Vaillancourt
- Faculty of Education, School of Psychology, University of Ottawa, Ottawa, ON, Canada
| | - T A Bennett
- Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada
| | - M Elsabbagh
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - A Thompson
- Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada
| | - W J Ungar
- Program of Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
| | - C Waddell
- Children's Health Policy Centre, Faculty of Health Sciences, Simon Fraser University, Vancouver, BC, Canada
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Day K, Schmidt L, Vaillancourt T, Boyle M, Saigal S, Van Lieshout R. Long Term Psychiatric Impact of Peer Victimization in Extremely Low Birth Weight Adults. Personality and Individual Differences 2016. [DOI: 10.1016/j.paid.2016.05.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Volden J, Duku E, Shepherd C, Ba, Georgiades S, Bennett T, Di Rezze B, Szatmari P, Bryson S, Fombonne E, Mirenda P, Roberts W, Smith IM, Vaillancourt T, Waddell C, Zwaigenbaum L, Elsabbagh M. Service utilization in a sample of preschool children with autism spectrum disorder: A Canadian snapshot. Paediatr Child Health 2016; 20:e43-7. [PMID: 26744563 DOI: 10.1093/pch/20.8.e43] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To describe services received by preschool children diagnosed with autism spectrum disorder (ASD) during the five-year period following their diagnosis. METHOD An inception cohort of preschoolers diagnosed with ASD from Halifax (Nova Scotia), Montreal (Quebec), Hamilton (Ontario), Edmonton (Alberta) and Vancouver (British Columbia) were invited to participate. Parents/caregivers (n=414) described the services provided to their children at four time points: baseline (T1; within four months of diagnosis; mean age three years); six months later (T2); 12 months later (T3); and at school entry (T4). Data were first coded into 11 service types and subsequently combined into four broader categories (no services, behavioural, developmental and general) for analysis. RESULTS More than 80% of children at T1, and almost 95% at T4 received some type of service, with a significant number receiving >1 type of service at each assessment point. At T1, the most common service was developmental (eg, speech-language therapy). Subsequently, the most common services were a combination of behavioural and developmental (eg, intensive therapy based on applied behaviour analysis and speech-language therapy). Service provision varied across provinces and over time. DISCUSSION Although most preschool children with ASD residing in urban centres were able to access specialized services shortly after diagnosis, marked variation in services across provinces remains a concern.
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Affiliation(s)
- J Volden
- University of Alberta, Edmonton, Alberta
| | - E Duku
- McMaster University, Hamilton
| | - C Shepherd
- University of Alberta, Edmonton, Alberta
| | - Ba
- McMaster University, Hamilton
| | | | | | | | | | - S Bryson
- Dalhousie University, Halifax, Nova Scotia
| | - E Fombonne
- Oregon Health and Sciences University, Portland, Oregon, USA
| | - P Mirenda
- University of British Columbia, Vancouver, British Columbia
| | - W Roberts
- University of Toronto, Toronto, Ontario
| | - I M Smith
- Dalhousie University, Halifax, Nova Scotia
| | | | - C Waddell
- Simon Fraser University, Burnaby, British Columbia
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Zwaigenbaum L, Bryson SE, Smith I, Brian J, Roberts W, Szatmari P, Vaillancourt T, Roncadin C. A Comparison of Prospective and Retrospective Measures of Early Language Regression in Children with Autism From a High-Risk Infant Cohort. Paediatr Child Health 2009. [DOI: 10.1093/pch/14.suppl_a.19a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Dahlström-King L, Couture J, Lamoureux C, Vaillancourt T, Plaa GL. Dose-dependent cytotoxicity of chlorinated hydrocarbons in isolated rat hepatocytes. Fundam Appl Toxicol 1990; 14:833-41. [PMID: 2361581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The aim was to determine if isolated suspended hepatocytes could differentiate between the effects of four chlorinated hydrocarbons that are hepatotoxic in vivo and four that are not. Membrane integrity was assessed by measuring alanine aminotransferase (ALT) release after 30- to 180-min incubations in vitro. From the results, the chlorinated hydrocarbons fell into three groups: tetrachloroethylene and 1,1,2,2-tetrachloroethane were the most potent cytotoxicants; CCl4, 1,1,2-trichloroethane, and trichloroethylene exhibited intermediate cytotoxicity; and low cytotoxicity was observed with CHCl3, 1,1,1-trichloroethane, and 1,1-dichloroethylene. Cytotoxicity ranking correlated poorly with the reported in vivo hepatotoxicity of these agents. The effect of adding SKF-525A on the cytotoxicity of tetrachloroethylene and CCl4 was also assessed. In addition, hepatocytes from rats pretreated with 2,5-hexanedione were used to determine if they were more susceptible to the effects of CHCl3, CCl4, or tetrachloroethylene. SKF-525A decreased the cytotoxicity of both CCl4 and tetrachloroethylene, whereas pretreatment with 2,5-hexanedione enhanced their effect. The effects of both SKF-525A and 2,5-hexanedione on CCl4 in vitro are consistent with in vivo findings. However, tetrachloroethylene is not hepatotoxic in vivo, suggesting that SKF-525A might act by stabilizing plasma membranes rendering the hepatocyte more resistant to lysis. Overall, the results cast doubts on the use of ALT release from isolated hepatocytes as an appropriate in vitro model for assessing hepatotoxic properties of chlorinated hydrocarbons.
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Affiliation(s)
- L Dahlström-King
- Département de Pharmacologie, Faculté de Médecine, Université de Montréal, Québec, Canada
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