PSY 3061 Lecture 13: Biopsychology lecture 3.21.2018
Document Summary
Intellectual disability: second most common form of mental retardation (1:2000, developmental delays, hyperextensive joints, abnormally flexible joints, muscular and skeletal abnormalities. Large, flat feet: abnormally large ears, alterations in structure of cerebellum, balance, motor control, planning, fmr1 gene involved in branching and sprouting of axons and dendrites. Information processing, brain plasticity: very important in dendritic arborization and axonal development, trinucleotide repeat mutation. Autism: affects more than 4-10 per 10,000 children, polygenic condition, boys 3-4 x > than girls. Incidence related to age of parents: higher when either or both parents are older, especially mother, role of genes. Impairment in imaginative abilities and spontaneous play: playing a way of acquiring boundaries and learning how to interact, observational social learning, relates to ability to sense how others feel and think. La(cid:272)k of a (cid:862)theory of (cid:373)i(cid:374)d(cid:863: restricted repertoire of interests, presence of repetitive, purposeless movements, obsessive desire for sameness.
