| Image = | Caption = | DiseasesDB = 4509 | ICD10 = - | ICD9 = - | ICDO = | OMIM = | MedlinePlus = | eMedicineSubj = med | eMedicineTopic = 3095 | eMedicine_mult = | MeshID = D008607 | }} Mental retardation is a term for a pattern of persistently slow learning of basic motor and language skills ("milestones") during childhood, and a significantly below-normal global intellectual capacity as an adult. One common criterion for diagnosis of mental retardation is a tested intelligence quotient (IQ) of 70 or below and deficits in adaptive functioning. People with mental retardation may be described as having developmental disabilities, global developmental delay, or learning difficulties. Alternative terms The term "mental retardation" has acquired pejorative and shameful connotations over the last few decades. · In Nor

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