Abstract
In the present volume, Parent and collaborators demonstrate that the neurons of the internal (GPi) and external (GPe) segments of the primate globus pallidus differ fundamentally with respect to their afferent and efferent connections, in spite of their virtually identical morphology and chemospecificity. To develop further this anatomical point of view, the present paper reviews recent findings of physiological differences between the two pallidal segments in monkeys. Those differences are clearly revealed when the dopaminergic innervation of the basal ganglia is destroyed, quite specifically, by the neurotoxin 1-methyl4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), which renders the animal parkinsonian. We submit that GPi and GPe constitute a matching, contrasting and complementary pair of structures.
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References
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© 1991 Plenum Press, New York
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Filion, M., Tremblay, L., Chockkan, V. (1991). Complementarity of the Two Pallidal Segments in the Primate. In: Bernardi, G., Carpenter, M.B., Di Chiara, G., Morelli, M., Stanzione, P. (eds) The Basal Ganglia III. Advances in Behavioral Biology, vol 39. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5871-8_8
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DOI: https://doi.org/10.1007/978-1-4684-5871-8_8
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