Literature DB >> 7609923

Responses of substantia nigra pars reticulata and globus pallidus complex to high frequency stimulation of the subthalamic nucleus in rats: electrophysiological data.

A Benazzouz1, B Piallat, P Pollak, A L Benabid.   

Abstract

High frequency stimulation of the subthalamic nucleus (STN-HFS) has been shown to reverse parkinsonian motor symptoms in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-treated monkeys. We have studied the effect of STN-HFS on the spontaneous activity of the substantia nigra pars reticulata (SNr), entopeduncular nucleus (EP) and globus pallidus (GP) in rats. STN-HFS induced a decrease in activity of 91% of SNr cells, a suppression of activity in 80% of EP cells and an activation of 100% of GP recorded cells. These results show that STN-HFS exerts an inhibitory influence on the basal ganglia output structures similar to that obtained by STN lesion.

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Year:  1995        PMID： 7609923     DOI： 10.1016/0304-3940(95)11455-6

Source DB:  PubMed          Journal:  Neurosci Lett        ISSN： 0304-3940            Impact factor:   3.046


  65 in total

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