Title page for ETD etd-06262011-105200

Type of Document Dissertation
Author Dempsey, Timothy Michael
URN etd-06262011-105200
Title Symptom Profiles and Rates of Diagnosis in Autistic and Other Atypically Developing Infants and Toddlers
Degree Doctor of Philosophy (Ph.D.)
Department Psychology
Advisory Committee
Advisor Name Title
Matson, Johnny L. Committee Chair
Advokat, Claire Committee Member
Beck, Melissa Committee Member
Davis III, Thompson Committee Member
Taylor, Dianne Dean's Representative
  • infants
  • premature
  • seizures
  • autism
Date of Defense 2011-06-20
Availability unrestricted
Although there are many assessment scales that aid in the diagnosis of Autism Spectrum Disorders (ASD), very few instruments are designed specifically to identify the condition in the population of infants and toddlers. The primary purpose of this study is to systematically examine the differences between scores on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT)-Part 1 in a sample of at risk atypically developing children. Participants are children enrolled in Louisiana’s EarlySteps Program, which provides support services (e.g., speech therapy, occupational therapy, physical therapy, behavior psychology) to infants/toddlers and their families from birth to 36 months of age. All children enrolled in EarlySteps have a medical condition that is likely to result in a developmental delay/atypical development (e.g., premature birth, seizure disorders, Down Syndrome), or are currently diagnosed with developmental delays. Using one-way analysis of variance (ANOVA) and multivariate analysis of variance (MANOVA), three groups (ASD alone, seizure disorder and ASD, and premature and ASD) were compared on BISCUIT-Part 1 total and subscale scores. Implications of these results and directions for future research are discussed.
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