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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
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Walley, R. M.; Donaldson, M. D. C. – Journal of Intellectual Disability Research, 2005
Background: PraderWilli syndrome (PWS) is a genetic disorder caused by the absence of expression of maternally imprinted genes on the long arm of chromosome 15 (15q 11-13). There are two main genetic sub-types: (1) deletion, caused by the absence of paternally derived genetic material; and (2) uniparental disomy (UPD), where two copies of…
Descriptors: Memory, Health Services, Clinical Diagnosis, Verbal Ability