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Younger siblings of children with autism: Cognitive, language, and social skills

dc.contributor.advisorStone, Wendy L., 1954-
dc.contributor.authorSchwartz, Alexa M.
dc.date.accessioned2008-04-21T17:10:27Z
dc.date.available2008-04-21T17:10:27Z
dc.date.issued2007-04
dc.identifier.urihttp://hdl.handle.net/1803/555
dc.descriptionSenior Honors Thesis completed under the direction of Professor Wendy Stoneen
dc.description.abstractAutism has a known genetic linkage shown by increased prevalence of the syndrome in probands. Research has shows that those who do not necessarily fit the clinical diagnosis of autism may display sub-threshold traits, referred to as the broader phenotype of autism. This study looks at younger siblings of children with autism two times over the course of 1.5 years, with entry in the study at 12-23 months. This group is compared to a control group of siblings of typically developing children. 68 children participated in this study (42 male, 27 female) in two groups Sibs-ASD (n=41) and Sibs-TD (n=28). Groups are compared in language, cognitive, social performance and early predictive factors of later diagnosis. Results show that the Sibs-ASD show deficits at Time 1 in cognitive skill and social development, and have worse diagnostic outcomes than Sibs-TD. Within the sibs-ASD group females scored higher than males in the areas of language and cognitive ability. Early predictors of eventual autism spectrum diagnosis were found in lower performance on directing and requesting behaviors, expressive language and social skills.en
dc.format.extent14476117 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen
dc.publisherVanderbilt University
dc.subjectSiblingen
dc.subjectAutismen
dc.subjectRisk factorsen
dc.subject.lcshAutism -- Research
dc.subject.lcshDevelopmental disabilities -- Risk factorsen
dc.subject.lcshBrothers and sistersen
dc.subject.lcshAutism -- Genetic aspectsen
dc.titleYounger siblings of children with autism: Cognitive, language, and social skillsen
dc.typeThesisen
dc.description.collegeCollege of Arts & Science
dc.description.departmentDept. of Psychological Sciences


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