Preference by the retarded for vibratory and visual stimulation as a function of mental age and psychotic reaction.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002755:Choice Behavior; D005106:Exploratory Behavior; D005149:Facial Expression; D006801:Humans; D008607:Intellectual Disability; D007360:Intelligence; D011618:Psychotic Disorders / Q000150:complications*; D014732:Vibration; D014796:Visual Perception