Auditory hallucinations and smaller superior temporal gyral volume in schizophrenia

P. E. Barta, G. D. Pearlson, R. E. Powers, S. S. Richards, L. E. Tune

Research output: Contribution to journalArticlepeer-review

Abstract

Recent neuropathologic investigations in schizophrenia report smaller volume of medial temporal lobe structures. These findings are confirmed by preliminary magnetic resonance imaging (MRI) studies. Direct stimulation of lateral temporal lobe structures in the region of the superior temporal gyrus provokes hallucinations. The authors' MRI study of young schizophrenic patients demonstrates smaller volume of the superior temporal gyrus (an auditory association area) and of the left amygdala. Smaller size of the left superior temporal gyrus and left amygdala is not accounted for by smaller size of the overall brain or temporal lobe. Shrinkage of the left superior temporal gyrus is strongly and selectively correlated with severity of auditory hallucinations.

Original languageEnglish (US)
Pages (from-to)1457-1462
Number of pages6
JournalAmerican Journal of Psychiatry
Volume147
Issue number11
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Psychiatry and Mental health

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