Developmental level and sensory impairment in the aged.
D000368:Aged; D000369:Aged, 80 and over; D006309:Hearing; D006320:Hearing Tests; D006801:Humans; D012392:Rorschach Test; D014796:Visual Perception
HEARING/in old age; RORSCHACH TEST/in old age; VISUAL PERCEPTION/in old age