Summary
Climbing and mossy fibre activity in Purkinje cells of cat cerebellum (vermis part of lobules V and VI) were recorded by means of extracellular microelectrodes. Responses were obtained by stimulation of different types of mechanoreceptors in the gastro-intestinal tract: muscular receptors connected with C fibres, peritoneal movement receptors connected with Aγδ or B fibres, Pacinian corpuscules connected with Aβ fibres. The characteristics of the splanchnic fibre projections on this cerebellar area were defined. Splanchno-somatic, splanchno-visceral, and splanchno-cortical convergences were demonstrated.
Résumé
Les activités simple et complexe de cellules de Purkinje du cervelet du Chat (zone vermienne des lobules V et VI) ont été enregistrées au moyen de microélectrodes extracellulaires. Ces réponses étaient obtenues par stimulation de différents types de mécanorécepteurs du tractus gastro-intestinal: récepteurs musculaires connectés à des fibres C, récepteurs péritonéaux de mouvement connectés à des fibres Aγδ ou B, corpuscules de Pacini connectés à des fibres Aβ. Les caractéristiques des fibres splanchniques projetant sur cette aire cérébelleuse ont été définies. Des convergences splanchno-somatiques, splanchno-viscérales et splanchno-corticales ont été mises en évidence.
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Tirages à part: J. Perrin, Département de Bioélectricité, Université de Provence, Place Victor Hugo, F-13331 Marseille Cedex 3, France
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Perrin, J., Crousillat, J. Effets de la stimulation des mécanorécepteurs splanchniques sur l'activité des cellules cérébelleuses de Purkinje. Exp Brain Res 37, 405–416 (1979). https://doi.org/10.1007/BF00236814
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DOI: https://doi.org/10.1007/BF00236814