Concept identification in chronic schizophrenics.
D000328:Adult; D002908:Chronic Disease; D003118:Color Perception; D003210:Concept Formation; D004193:Discrimination Learning; D005260:Female; D005556:Form Perception; D006801:Humans; D008297:Male; D008875:Middle Aged; D012193:Reversal Learning; D012565:Schizophrenic Psychology; D012737:Sex Factors; D014163:Transfer, Psychology