Intellectual Disability

"Intellectual Disability" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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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)


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This graph shows the total number of publications written about "Intellectual Disability" by people in this website by year, and whether "Intellectual Disability" was a major or minor topic of these publications.
Bar chart showing 72 publications over 26 distinct years, with a maximum of 7 publications in 2016 and 2021
To see the data from this visualization as text, click here.