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Intellectual Disability

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)

Year introduced: 1967(1963)

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Subheadings:

Tree Number(s): C10.597.606.643, C23.888.592.604.646, F01.700.687, F03.625.539

MeSH Unique ID: D008607

Entry Terms:

  • Disabilities, Intellectual
  • Intellectual Disabilities
  • Retardation, Mental
  • Mental Retardation
  • Disability, Intellectual
  • Intellectual Development Disorder
  • Development Disorder, Intellectual
  • Development Disorders, Intellectual
  • Disorder, Intellectual Development
  • Disorders, Intellectual Development
  • Intellectual Development Disorders
  • Idiocy
  • Mental Retardation, Psychosocial
  • Mental Retardations, Psychosocial
  • Psychosocial Mental Retardation
  • Psychosocial Mental Retardations
  • Retardation, Psychosocial Mental
  • Retardations, Psychosocial Mental
  • Deficiency, Mental
  • Deficiencies, Mental
  • Mental Deficiencies
  • Mental Deficiency

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