Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function.
The act or fact of grasping the meaning, nature, or importance of; understanding. (American Heritage Dictionary, 4th ed) Includes understanding by a patient or research subject of information disclosed orally or in writing.
Subnormal intellectual functioning which originates during the developmental period. This has multiple potential etiologies, including genetic defects and perinatal insults. Intelligence quotient (IQ) scores are commonly used to determine whether an individual has an intellectual disability. IQ scores between 70 and 79 are in the borderline range. Scores below 67 are in the disabled range. (from Joynt, Clinical Neurology, 1992, Ch55, p28)
Persons diagnosed as having significantly lower than average intelligence and considerable problems in adapting to everyday life or lacking independence in regard to activities of daily living.
Persons diagnosed as having significantly lower than average intelligence and considerable problems in adapting to everyday life or lacking independence in regard to activities of daily living.
Persons diagnosed as having significantly lower than average intelligence and considerable problems in adapting to everyday life or lacking independence in regard to activities of daily living.
