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Regression in Children with Autism Spectrum Disorders

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Abstract

Objectives

To understand the characteristics of autistic regression and to compare the clinical and developmental profile of children with autism spectrum disorders (ASD) in whom parents report developmental regression with age matched ASD children in whom no regression is reported.

Methods

Participants were 35 (Mean age = 3.57 y, SD = 1.09) children with ASD in whom parents reported developmental regression before age 3 y and a group of age and IQ matched 35 ASD children in whom parents did not report regression. All children were recruited from the outpatient Child Psychology Clinic of the Department of Pediatrics of a tertiary care teaching hospital in North India. Multi-disciplinary evaluations including neurological, diagnostic, cognitive, and behavioral assessments were done. Parents were asked in detail about the age at onset of regression, type of regression, milestones lost, and event, if any, related to the regression. In addition, the Childhood Autism Rating Scale (CARS) was administered to assess symptom severity.

Results

The mean age at regression was 22.43 mo (SD = 6.57) and large majority (66.7%) of the parents reported regression between 12 and 24 mo. Most (75%) of the parents of the regression-autistic group reported regression in the language domain, particularly in the expressive language sector, usually between 18 and 24 mo of age. Regression of language was not an isolated phenomenon and regression in other domains was also reported including social skills (75%), cognition (31.25%). In majority of the cases (75%) the regression reported was slow and subtle. There were no significant differences in the motor, social, self help, and communication functioning between the two groups as measured by the DP II.There were also no significant differences between the two groups on the total CARS score and total number of DSM IV symptoms endorsed. However, the regressed children had significantly (t = 2.36, P = .021) more social deficits as per the DSM IV as compared to the non-regressed children with autism.

Conclusions

Autism with regression is not characterized by a distinctive developmental or symptom profile. Developmental regression may, however, be an early and reliable marker in a significant number of children with autism.

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Authors and Affiliations

  1. Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh, India

    Prahbhjot Malhi

  2. Pediatric Neurology Unit, Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Sector 12, Chandigarh, 160012, India

    Pratibha Singhi

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  1. Prahbhjot Malhi
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  2. Pratibha Singhi
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Correspondence to Prahbhjot Malhi.

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Malhi, P., Singhi, P. Regression in Children with Autism Spectrum Disorders. Indian J Pediatr 79, 1333–1337 (2012). https://doi.org/10.1007/s12098-012-0683-2

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  • DOI: https://doi.org/10.1007/s12098-012-0683-2

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