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ERIC Number: EJ868350
Record Type: Journal
Publication Date: 2009-Aug
Pages: 14
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0162-3257
Developmental Trajectories in Siblings of Children with Autism: Cognition and Language from 4 Months to 7 Years
Gamliel, Ifat; Yirmiya, Nurit; Jaffe, Dena H.; Manor, Orly; Sigman, Marian
Journal of Autism and Developmental Disorders, v39 n8 p1131-1144 Aug 2009
We compared the cognitive and language development at 4, 14, 24, 36, 54 months, and 7 years of siblings of children with autism (SIBS-A) to that of siblings of children with typical development (SIBS-TD) using growth curve analyses. At 7 years, 40% of the SIBS-A, compared to 16% of SIBS-TD, were identified with cognitive, language and/or academic difficulties, identified using direct tests and/or parental reports. This sub-group was identified as SIBS-A-broad phenotype (BP). Results indicated that early language scores (14-54 months), but not cognitive scores of SIBS-A-BP and SIBS-A-nonBP were significantly lower compared to the language scores of SIBS-TD, and that the rate of development was also significantly different, thus pinpointing language as a major area of difficulty for SIBS-A during the preschool years.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A