disability affecting intellectual ability intellectual disability http://purl.bioontology.org/ontology/MEDDRA/10067989 http://purl.bioontology.org/ontology/MESH/D008607 http://purl.bioontology.org/ontology/SNOMEDCT/110359009 http://purl.obolibrary.org/obo/DOID_1059 http://purl.obolibrary.org/obo/HP_0001249 http://purl.obolibrary.org/obo/NCIT_C97250 https://en.wikipedia.org/wiki/Category:Intellectual_disability https://en.wikipedia.org/wiki/Intellectual_disability https://www.wikidata.org/wiki/Q183560 ID 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. general learning disability intellectual deficiency intellectual disabilities mental retardation psychosocial mental retardation