Positron-emission tomography in tardive dyskinesia

J. J. Pahl, J. C. Mazziotta, G. Bartzokis, J. Cummings, L. Altschuler, Jim Mintz, S. R. Marder, M. E. Phelps

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Cerebral glucose metabolic rates were determined in normal control subjects (n = 26) and schizophrenic patients with tardive dyskinesia (n = 14). Globus pallidus and primary motor cortex (precentral gyrus) metabolic values divided by those of the cerebral hemispheres were significantly increased in the patient group. A similar metabolic pattern has not been reported for schizophrenic patients without tardive dyskinesia, and the abnormalities were demonstrated despite the normal appearance of the basal ganglia on X-ray CT. The findings differed markedly from the reduced metabolic rates of the basal ganglia previously identified in other choreiform disorders, including Huntington's and Wilson's diseases. The findings suggest that tardive dyskinesia is characterized by increased pallidal synaptic activity resulting from either altered striatopallidal input or increased pallidal interneuron firing.

Original languageEnglish (US)
Pages (from-to)457-465
Number of pages9
JournalJournal of Neuropsychiatry and Clinical Neurosciences
Volume7
Issue number4
StatePublished - 1995
Externally publishedYes

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Positron-Emission Tomography
Basal Ganglia
Hepatolenticular Degeneration
Globus Pallidus
X Ray Computed Tomography
Huntington Disease
Motor Cortex
Cerebrum
Frontal Lobe
Interneurons
Glucose
Tardive Dyskinesia

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology

Cite this

Pahl, J. J., Mazziotta, J. C., Bartzokis, G., Cummings, J., Altschuler, L., Mintz, J., ... Phelps, M. E. (1995). Positron-emission tomography in tardive dyskinesia. Journal of Neuropsychiatry and Clinical Neurosciences, 7(4), 457-465.

Positron-emission tomography in tardive dyskinesia. / Pahl, J. J.; Mazziotta, J. C.; Bartzokis, G.; Cummings, J.; Altschuler, L.; Mintz, Jim; Marder, S. R.; Phelps, M. E.

In: Journal of Neuropsychiatry and Clinical Neurosciences, Vol. 7, No. 4, 1995, p. 457-465.

Research output: Contribution to journalArticle

Pahl, JJ, Mazziotta, JC, Bartzokis, G, Cummings, J, Altschuler, L, Mintz, J, Marder, SR & Phelps, ME 1995, 'Positron-emission tomography in tardive dyskinesia', Journal of Neuropsychiatry and Clinical Neurosciences, vol. 7, no. 4, pp. 457-465.
Pahl JJ, Mazziotta JC, Bartzokis G, Cummings J, Altschuler L, Mintz J et al. Positron-emission tomography in tardive dyskinesia. Journal of Neuropsychiatry and Clinical Neurosciences. 1995;7(4):457-465.
Pahl, J. J. ; Mazziotta, J. C. ; Bartzokis, G. ; Cummings, J. ; Altschuler, L. ; Mintz, Jim ; Marder, S. R. ; Phelps, M. E. / Positron-emission tomography in tardive dyskinesia. In: Journal of Neuropsychiatry and Clinical Neurosciences. 1995 ; Vol. 7, No. 4. pp. 457-465.
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