| 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