PSYC 3406 Chapter Notes - Chapter 5: Fetal Alcohol Spectrum Disorder, Neurodevelopmental Disorder, Premature Ovarian Failure
12 Oct 2018
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5. 1 intellectual disability: neurodevelopmental disorders : disorders that begin early in life and remain with the individual throughout life. Intellectual disability : intellectual and adaptive deficits that first became evident when. 2. they were children: mental retardation : significantly below-average general intellectual functioning, criteria, deficits in general intellectual abilities: cutoff is iq of 70 b, age of onset: must begin prior to age 18. Impairment in adaptive functioning, relative to a person"s age and cultural group: rate degree of severity, causes of intellectual disability, genetic abnormalities. Phenylketonuria (pku) iii. iv: missing an enzyme phenylalanine hydroxase which breaks down amino acid found in protein foods, buildup of phenylalanine damage to cns, must maintain strict diet avoiding foods high in protein. Tay-sachs disease : lack of hexoaminidase a, enzyme that helps break down toxic chemical in nervous tissue called ganglioside: caused by defective gene on chromosome 15, both parents must have defective gene, no treatment.
