Summary
Data about the localization in the cerebral cortex of cats of afferent zones of representation of the pelvic nerve are described for the first time. Single electric stimuli of the central ending of the pelvic nerve have revealed in the cerebral cortex two zones registering primary responses of maximum amplitude and minimum latent period.
Zone I is localized on both sides of the medial and intermediate parts of s. cruciatus. Zone II is situated on g. ectosylvius ant., occupying a small space along the lower and middle parts of s. ectosylvius ant. The area of Zone I is about 12 mm2 and Zone II about 8 mm2.
Both of these areas are bilateral, and stimulation of the pelvic nerve elicits a primary reaction in four portions of the cortex: in contralateral Zones I and II and in the corresponding ipsilateral Zones I and II.
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Kullanda, K.M. The representation of the internal organs in the cerebral cortex and cerebellum of cats and dogs. Bull Exp Biol Med 43, 519–525 (1957). https://doi.org/10.1007/BF00785729
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DOI: https://doi.org/10.1007/BF00785729