Intellectual Disabilities UCLA Psychology 127A Professor Rena Repetti Intellectual Disabilities ■ Diagnosis of ID ■ Causes of ID ■ Biological ■ Environmental ■ Normal Genetic Variation ■ Prevention and Treatment of ID Language Intellectual Disabilities (ID): DSM-5 Definition A disorder with onset during the developmental period that includes both intellectual and adaptive functioning deficits in conceptual, social, and practical domains. Intellectual Disabilities (ID): DSM-5 Criteria A. Deficits in intellectual functioning • reasoning, problem-solving, planning, abstract thinking, judgment, academic learning and learning from experience, and practical understanding • IQ score below 70 Intellectual Disabilities (ID): DSM-5 Criteria B. Deficits in adaptive functioning • failure to meet developmental and sociocultural standards for personal independence and social responsibility
B. Deficits in adaptive functioning Limited functioning in activities of daily life, such as communication, social participation, and independent living Intellectual Disabilities (ID): DSM-5 Criteria C. Onset of intellectual and adaptive deficits during the developmental period. The normal curve and IQ scores ID: Assessment ■ Intellectual functioning - Weschler Intelligence Scales (WAIS-III and WISC-IV) ■ Adaptive Functioning - Vineland Adaptive Behavior Scales
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