Wiggins MMPI Content Scales failed to discriminate between 20 brain-damaged and 20 non-brain-damaged male schizophrenics (mean age 31 yrs); schizophrenia was determined by the Luria-Nebraska Neuropsychological Battery. Results are discussed in terms of explanations of schizophrenia that describe it as a functional disorder or as a group of functional or organic disorders with a similar behavioral manifestation. (12 ref)