(anesia, anoesia, anoia, arrhostia, asynesia, cerebria chronica, defect psychosis, feeblemindedness, hypophrenia, hypophrenosis, imbecillitas, intellectual inadequacy, mental deficiency, mental handicap, micropsychia, oligergasia, oligophrenia, phrenasthenia, psychoparesis)
This mental disorder is diagnosed in individuals who, from whatever cause, have intelligence below an arbitrary level beginning before adulthood and whose adaptive functioning is impaired in any of a variety of areas.