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Heather Coleman; Arlene Mannion; Sally Whelan; Megan Tones; Helen Heussler; Matthew Bellgard; Geraldine Leader – Journal of Autism and Developmental Disorders, 2025
Angelman Syndrome (AS) is a rare genetic disorder that impacts 1:20,000 people. Challenging behaviour, such as severe injurious behaviour, aggression and frequent unprovoked episodes of laughter are a significant problem among adults with AS that adversely impacts an individual's quality of life. This study, for the first time, aims understand the…
Descriptors: Genetic Disorders, Behavior Disorders, Adults, Predictor Variables
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Lundqvist, Lars-Olov – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
The aim of the present study was to investigate the prevalence of behavior problems among people with administratively defined intellectual disability (ID) and identify possible risk markers for behavior problems using the Behavior Problems Inventory (BPI). Sixty-two percent of the ID population (n = 915) had a behavior problem (self-injurious,…
Descriptors: Behavior Problems, Sleep, Foreign Countries, Incidence