Update on electrophysiology in schizophrenia

Robert W. McCarley, Brian O'Donnell, Margaret A. Niznikiewicz, Dean F. Salisbury, Geoffrey F. Potts, Yoshio Hirayasu, Paul G. Nestor, Martha E. Shenton

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Event-related potentials (ERPs) provide a non-invasive, functional method to evaluate neural activation and cognitive processes in schizophrenia, with a temporal resolution in the millisecond range, literally at the speed of thought. Auditory ERP components tested in schizophrenia, in order of latency of occurrence, include the P50 sensory gating response, the mismatch negativity, P300 and the N400 component. Abnormalities in these components demonstrate pervasive disruption of auditory processing as early as 50 milliseconds after stimulus onset. All of these abnormalities appear to tasks which require sensory memory or working memory operations. The anatomic substrates for these ERP components probably include the posterior superior temporal gyrus and medial temporal lobe structures. P300 topographic asymmetries have been associated with left posterior temporal gyrus abnormalities. Future work will focus on relating ERP abnormalities to specific neural circuit disturbances in this disorder.

Original languageEnglish (US)
Pages (from-to)373-386
Number of pages14
JournalInternational Review of Psychiatry
Volume9
Issue number4
DOIs
StatePublished - 1997
Externally publishedYes

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Electrophysiology
Evoked Potentials
Schizophrenia
Temporal Lobe
Sensory Gating
P300 Event-Related Potentials
Short-Term Memory

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

McCarley, R. W., O'Donnell, B., Niznikiewicz, M. A., Salisbury, D. F., Potts, G. F., Hirayasu, Y., ... Shenton, M. E. (1997). Update on electrophysiology in schizophrenia. International Review of Psychiatry, 9(4), 373-386. https://doi.org/10.1080/09540269775240

Update on electrophysiology in schizophrenia. / McCarley, Robert W.; O'Donnell, Brian; Niznikiewicz, Margaret A.; Salisbury, Dean F.; Potts, Geoffrey F.; Hirayasu, Yoshio; Nestor, Paul G.; Shenton, Martha E.

In: International Review of Psychiatry, Vol. 9, No. 4, 1997, p. 373-386.

Research output: Contribution to journalArticle

McCarley, RW, O'Donnell, B, Niznikiewicz, MA, Salisbury, DF, Potts, GF, Hirayasu, Y, Nestor, PG & Shenton, ME 1997, 'Update on electrophysiology in schizophrenia', International Review of Psychiatry, vol. 9, no. 4, pp. 373-386. https://doi.org/10.1080/09540269775240
McCarley RW, O'Donnell B, Niznikiewicz MA, Salisbury DF, Potts GF, Hirayasu Y et al. Update on electrophysiology in schizophrenia. International Review of Psychiatry. 1997;9(4):373-386. https://doi.org/10.1080/09540269775240
McCarley, Robert W. ; O'Donnell, Brian ; Niznikiewicz, Margaret A. ; Salisbury, Dean F. ; Potts, Geoffrey F. ; Hirayasu, Yoshio ; Nestor, Paul G. ; Shenton, Martha E. / Update on electrophysiology in schizophrenia. In: International Review of Psychiatry. 1997 ; Vol. 9, No. 4. pp. 373-386.
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