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Direct linkRoy, 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
Charlot, L.; Abend, S.; Ravin, P.; Mastis, K.; Hunt, A.; Deutsch, C. – Journal of Intellectual Disability Research, 2011
Background: Physical distress resulting from medical problems has been found to cause increased behaviour problems in patients with intellectual disabilities (ID). Despite this fact, little has been documented on the medical problems of individuals with ID admitted for inpatient psychiatric care. We conducted an exploratory investigation based on…
Descriptors: Age, Investigations, Autism, Symptoms (Individual Disorders)
Arron, K.; Oliver, C.; Moss, J.; Berg, K.; Burbidge, C. – Journal of Intellectual Disability Research, 2011
Background: Self-injurious and aggressive behaviours are reported as components of some behavioural phenotypes but there are few studies comparing across syndrome groups. In this study we examined the prevalence of these behaviours and the associated person characteristics in seven genetic syndromes. Methods: Questionnaire data on self-injury and…
Descriptors: At Risk Persons, Intervention, Incidence, Injuries
Richman, D. M.; Barnard-Brak, L.; Bosch, A.; Thompson, S.; Grubb, L.; Abby, L. – Journal of Intellectual Disability Research, 2013
Background: Presence of an autism spectrum disorder is a risk factor for development of self-injurious behaviour (SIB) exhibited by individuals with developmental disorders. The most salient SIB risk factors historically studied within developmental disorders are level of intellectual disability, communication deficits and presence of specific…
Descriptors: Predictor Variables, Risk, Self Destructive Behavior, Injuries
Ji, N. Y.; Capone, G. T.; Kaufmann, W. E. – Journal of Intellectual Disability Research, 2011
Background: The diagnostic validity of autism spectrum disorder (ASD) based on Diagnostic and Statistical Manual of Mental Disorders (DSM) has been challenged in Down syndrome (DS), because of the high prevalence of cognitive impairments in this population. Therefore, we attempted to validate DSM-based diagnoses via an unbiased categorisation of…
Descriptors: Check Lists, Autism, Hyperactivity, Down Syndrome
Symons, F. J.; Sperry, L. A.; Dropik, P. L.; Bodfish, J. W. – Journal of Intellectual Disability Research, 2005
The origin and developmental course of stereotypic and self-injurious behaviour among individuals with developmental disabilities such as intellectual disability (ID) or pervasive development disorders such as autism is not well understood. Twelve studies designed to document the prevalence, nature, or development of stereotypic and/or…
Descriptors: Research Methodology, Pervasive Developmental Disorders, Developmental Disabilities, Developmental Delays
