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Roy, A.; Roy, M.; Deb, S.; Unwin, G.; Roy, A. – Journal of Intellectual Disability Research, 2015
Background: ASC (autism spectrum conditions) may result from a failure of striatal beta endorphins to diminish with maturation. Many symptoms of ASC resemble behaviours induced in animals or humans by opiate administration, including decreased socialisation, diminished crying, repetitive stereotypies, insensitivity to pain and motor hyperactivity.…
Descriptors: Autism, Pervasive Developmental Disorders, Drug Therapy, Behavior Problems
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Hartley, S. L.; Sikora, D. M.; McCoy, R. – Journal of Intellectual Disability Research, 2008
Background: Children with Autistic Disorder (AD) evidence more co-occurring maladaptive behaviours than their typically developing peers and peers with intellectual disability because of other aetiologies. The present study investigated the prevalence of Clinically Significant maladaptive behaviours during early childhood and identified at-risk…
Descriptors: Incidence, Autism, Young Children, At Risk Persons
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Greaves, N.; Prince, E.; Evans, D. W.; Charman, T. – Journal of Intellectual Disability Research, 2006
Background: Recent research has shown that the range of repetitive behaviour seen in individuals with Prader-Willi syndrome (PWS) extends beyond food-related behaviour. Methods: The presence and intensity of repetitive, rigid and routinized behaviour in children with PWS was compared with that seen in children with another neurodevelopmental…
Descriptors: Parents, Autism, Children, Behavior Patterns