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Roberts, Jane E.; McCary, Lindsay M.; Shinkareva, Svetlana V.; Bailey, Donald B., Jr. – Journal of Autism and Developmental Disorders, 2016
This study examined the developmental profile of male infants with fragile X syndrome (FXS) and its divergence from typical development and development of infants at high risk for autism associated with familial recurrence (ASIBs). Participants included 174 boys ranging in age from 5 to 28 months. Cross-sectional profiles on the Mullen Scales of…
Descriptors: Comparative Analysis, Genetic Disorders, Infants, Child Development
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Iverson, Jana M.; Wozniak, Robert H. – Journal of Autism and Developmental Disorders, 2007
In this study we examined early motor, vocal, and communicative development in a group of younger siblings of children diagnosed with autism (Infant Siblings). Infant Siblings and no-risk comparison later-born infants were videotaped at home with a primary caregiver each month from 5 to 14 months, with follow-up at 18 months. As a group, Infant…
Descriptors: Siblings, Language Acquisition, Autism, Infants