PSYCH 2AP3 Lecture Notes - Lecture 9: Intellectual Disability, Comorbidity, Dsm-5
12 Dec 2017
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1%, best estimate we will get for annual prevalence) Autism shows some of the greatest increases in prevalence over the years among other disorders. There are very dramatic increases (over doubling and tripling increases in prevalence) More boys than girls receive asd diagnosis. **why the increase? increased awareness of the disorder: earlier diagnosis, changes in diagnostic practice, diagnostic substitution, environmental toxins (?) epidemiology general roughly 80% of all asd cases are males. 4-5 times as common in boys than in girls. Highest male / female ratio in normal range of cognitive function. 70% comorbid for one or more other disorders; 40% for two or more. Anxiety or phobic disorder: 42% ( social anxiety disorder 29% a reaction to their difficulties with social interaction) Genes brain structure / brain chemistry psychological processes autism symptoms. Psychological processes: general intellect 70% of asd individuals have intellectual disability. Difficulty with language / abstract reasoning (on lower-functioning scale of spectrum)
