| mental r., severe |
[DSM-IV] that in which IQ is between 20–25 and 35–40; the person has poor motor development and minimal speech in the preschool period, may learn to talk by the late teens, can be trained in elementary hygiene skills, and as an adult may learn to perform simple work under close supervision.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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