title: Speed of perceptual functioning in chronic nonparanoid schizophrenics: partial replication and extension.
mesh_terms: D000293:Adolescent; D000328:Adult; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D011930:Reaction Time; D012559:Schizophrenia; D012563:Schizophrenia, Paranoid; D012565:Schizophrenic Psychology; D014705:Verbal Behavior; D014796:Visual Perception