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Previous Article | Next Article
The Journal of Neuroscience, November 15, 2000, 20(22):8559-8571
Firing Patterns and Correlations of Spontaneous Discharge of Pallidal Neurons in the Normal and the Tremulous 1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine Vervet Model of Parkinsonism
Aeyal Raz1, Eilon Vaadia1, 2, and Hagai Bergman1, 2 1 Department of Physiology, The Hebrew University-Hadassah Medical School, Jerusalem, 91120, Israel, and 2 Center for Neural Computation, The Hebrew University, Jerusalem, 91904, Israel
To investigate the role of the basal ganglia in parkinsonian tremor, we recorded hand tremor and simultaneous activity of several neurons in the external and internal segments of the globus pallidus (GPe and GPi) in two vervet monkeys, before and after systemic treatment with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and development of parkinsonism with tremor of 5 and 11 Hz.
In healthy monkeys, only 11% (20/174) of the GPe cells and 3% (1/29) of the GPi cells displayed significant 3-19 Hz oscillations. After MPTP treatment, 39% (107/271) of the GPe cells and 43% (26/61) of the GPi cells developed significant oscillations. Oscillation frequencies of single cells after MPTP treatment were bimodally distributed around 7 and 13 Hz. For 10% of the oscillatory cells that were recorded during tremor periods, there was a significant tendency for the tremor and neuronal oscillations to appear simultaneously.
Cross-correlation analysis revealed a very low level of correlated activity between pallidal neurons in the normal state; 95.6% (477/499) of the pairs were not correlated, and oscillatory cross-correlograms were found in only 1% (5/499) of the pairs. After MPTP treatment, the correlations increased dramatically, and 40% (432/1080) of the cross-correlograms had significant oscillations, centered around 13-14 Hz. Phase shifts of the cross-correlograms of GPe pairs, but not of GPi, were clustered around 0°.
The results illustrate that MPTP treatment changes the pattern of activity and synchronization in the GPe and GPi. These changes are related to the symptoms of Parkinson's disease and especially to the parkinsonian tremor.
Key words: cross-correlations; neural oscillations; tremor; MPTP; globus pallidus; Parkinson's disease
Copyright © 2000 Society for Neuroscience 0270-6474/00/20228559-13$05.00/0
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[Abstract] [Full Text] [PDF]
L. Garcia, J. Audin, G. D'Alessandro, B. Bioulac, and C. Hammond
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D. Williams, A. Kuhn, A. Kupsch, M. Tijssen, G. van Bruggen, H. Speelman, G. Hotton, K. Yarrow, and P. Brown
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[Abstract] [Full Text] [PDF]
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[Abstract] [Full Text] [PDF]
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[Abstract] [Full Text] [PDF]
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[Abstract] [Full Text] [PDF]
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[Abstract] [PDF]
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[Abstract] [Full Text] [PDF]
D. N. Ruskin, D. A. Bergstrom, and J. R. Walters
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[Abstract] [Full Text] [PDF]
R. Levy, P. Ashby, W. D. Hutchison, A. E. Lang, A. M. Lozano, and J. O. Dostrovsky
Dependence of subthalamic nucleus oscillations on movement and dopamine in Parkinson's disease
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[Abstract] [Full Text] [PDF]
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R. Levy, W. D. Hutchison, A. M. Lozano, and J. O. Dostrovsky
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