The Relationship between Auditory Hallucinations and Spontaneous Fluctuations of Skin Conductance in Schizophrenia

Abstract

Summary: A sample was collected of schizophrenic patients exhibiting nonverbal signs of intermittent auditory hallucinations. A video-tape record was made for each of a session, during which the patient's skin conductance was monitored. Independent raters achieved reasonable agreement on the onset of periods of hallucinatory activity, as judged from non-verbal signs. The skin conductance tracing was scored independently for spontaneous fluctuations. In the 10 patients with satisfactory records the onset of hallucinatory periods was significantly (P <0.01) associated with a rise in the spontaneous fluctuation rate.