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Martini, Miriam I.; Merkelbach, Inge; Begeer, Sander – Journal of Autism and Developmental Disorders, 2023
Pre- and post-term children show increased autism risk. Little is known about gestational age (GA) prevalence among autistic children, and their respective autism phenotype. We compared prevalence of pre-, full- and post-term birth between a population-derived sample of N = 606 (137 females, 22.61%) autistic children and adolescents (mean age =…
Descriptors: Premature Infants, At Risk Persons, Autism Spectrum Disorders, Incidence
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Geurts, Hilde M.; McQuaid, Goldie A.; Begeer, Sander; Wallace, Gregory L. – Autism: The International Journal of Research and Practice, 2022
Prior research suggests that autistic adults are at increased risk for developing the core motor components of Parkinson's disease (i.e. parkinsonism) although knowledge is limited to date. Therefore, we explore: (1) the prevalence of both continuous self-reported motor features typical of parkinsonism and the screen positivity rate for…
Descriptors: Older Adults, Autism, Pervasive Developmental Disorders, At Risk Persons