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Mental Retardation

(anesia, anoesia, anoia, arrhostia, asynesia, cerebria chronica, defect psychosis, hypophrenia, imbecillitas, 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.

Old criteria for this diagnosis.

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