PSY E245 Lecture Notes - Lecture 22: International Development, Intellectual Disability, Etiology
Document Summary
50% of children with autism are mute. Echolalia child repeats another person"s words or phrases. Pronoun reversal refer to themselves as he or she instead of i. 25% of individuals function within a normal range of intelligence. Of the remaining 75% few are savants: savants individuals who portray exceptional abilities in specific areas (math, art, music, memory) Persistent deficits in social communication and interaction. Restrictive repetitive pattern of behaviour, interests or activities. Symptoms must be present in the early development period. Disturbances are not explained by intellectual disability or global development delay. Level 3- requiring very substantial support: severe deficits. Level 2- requiring substantial support: marked deficits. Level 1- requiring support: without supports in place deficits in social communication cause noticeable impairments. 1/3 people with autism have epileptic seizures. Brains are slightly larger and heavier; abnormalities in certain regions. 30-50% of autistic children have abnormal levels of neurotransmitters. Occurrence of autistic features with fragile x and pku.
