The Effects of Birth Order, Birth Spacing, and Parental Age on Autism Spectrum Disorder Symptom Severity among Simplex Families
Başlık:
The Effects of Birth Order, Birth Spacing, and Parental Age on Autism Spectrum Disorder Symptom Severity among Simplex Families
Yazar:
Brown, Noel M., author.
ISBN:
9780438180550
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (96 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 79-11(E), Section: B.
Advisors: Loren A. Martin Committee members: David Morrison; Katharine M. Putman.
Özet:
A cure or unequivocal preventative method for Autism Spectrum Disorder (ASD) does not exist. This dissertation explores the relationship between the severity of Autism Spectrum Disorder (ASD) symptoms in children of simplex families and birth order, birth spacing, and parental age. It was hypothesized that ASD children born after their unaffected sibling within shortened timeframes between pregnancies would exhibit greater ASD symptom severity. Additionally, parental age would impact symptom severity. Selected phenotypic variables and social, adaptive, and cognitive assessment scores from the Simons Simplex Collection (SSC) dataset established by the Simons Foundation Autism Research Initiative (SFARI) were quantitatively analyzed to determine symptom severity. The findings demonstrated that birth spaces 2 years or less can increase the risk of greater symptom severity among later-born children with ASD. A subset of SRS teacher scores compared with SRS parent scores of first- and second-born children with ASD indicated inconsistent rating patterns between parents and educators. Overall, birth order analysis demonstrated inconsistent associations of increased risk of ASD symptom severity between first- and second-born children with ASD, but the significance of associations between ASD symptom severity and birth spacing demonstrated a more accurate indicator of increased risk for ASD symptom severity. The relationship between parental age and assessment scores demonstrated that older parents rated ASD symptoms as less severe, and younger parents rated ASD symptoms as more severe. The results of this study support efforts of future research to increase collaboration among researchers, practitioners, and clinicians. Gathering additional data from various ASD populations with a comprehensive widely-used assessment is necessary to further understand ASD symptom severity. Practical implications that inform families preparing to have children or planning to do so in the future of the potential risk factors associated with ASD symptom severity and shortened timeframes between pregnancies. Developing effective screening measures and increasing collaborative care among treatment providers is another essential practice that can assist with accurately identifying ASD symptom severity. Furthermore, establishing universal definitions that define ASD severity among school-based and home environments is essential to further develop accurate methods to assess ASD symptom severity.
Notlar:
School code: 1323
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(688023.1) | 688023-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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