Effect of background conversation and darkness on reaction time in anxious, hallucinating, and severely ill schizophrenics.
D000293:Adolescent; D000328:Adult; D001007:Anxiety; D001307:Auditory Perception; D003624:Darkness; D005260:Female; D006212:Hallucinations; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D009622:Noise; D010552:Personality Assessment; D011930:Reaction Time; D012565:Schizophrenic Psychology; D013637:Tape Recording