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Intellectual Disability

Subject Source: Medical Subject Headings
Scope Note: 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) Created For = LHSA-Dott

Found in 3009 Collections and/or Records:

1.66 Male, 25-34 yrs, Low grade mental defective, April 1947

Identifier: EUA IN1/ACU/S2/17/1/1
Scope and Contents From the File: Questionnaires for persons in Area 1.
Dates: Other: April 1947

16.9 Female, Single, 14 yrs and under, High grade mental defective, December 1946

Identifier: EUA IN1/ACU/S2/17/1/15
Scope and Contents "Cert. M D, goes to Special Class. Very remote house. IQ 69. Stolid, shows no emotion. Can read, quite nice child. Father works on the railway. Mother at home. Granny died in 1947."
Relatives in survey: father [16.11].
Dates: Other: December 1946

17.2 Male, Single, 25-34 yrs, High grade mental defective, January 1947

Identifier: EUA IN1/ACU/S2/17/1/16
Scope and Contents "IQ 66, very dull, a farm worker. He is illegitimate. Lives with grandmother. Dr thinks they are all right."
Relatives in survey: Grandmother17.14, cousin 17.13, mother
Dates: Other: January 1947

17.3 Female, Single, 14 yrs and under, High grade mental defective, September 1946

Identifier: EUA IN1/ACU/S2/17/1/16
Scope and Contents "This girl did not come to school until she was 6 and a half, promises to be very dull, can't read. Illegitimate. Father, obviously below normal, dead. At least one other half-sibling, illegitimate; there may be more older. Housing not overcrowded, fairly clean. Sergeant - they would never associate with other children - very lonely."
Relatives in survey: Mother 17.4
Dates: Other: September 1946

1.74 Female, 45-54 yrs, Dull and backward, May 1947

Identifier: EUA IN1/ACU/S2/17/1/1