The existence of two polysensory systems in the suprasylvian gyrus of the cat

J. Toldi, O. Feher, L. Gero

Research output: Contribution to journalArticle

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Abstract

Acoustic, somatosensory and visual evoked potentials were mapped in the suprasylvian gyrus of the cat during pentobarbital or chloralose anaesthesia or during subsequent application of both anaesthetics. In chloralose anaesthetsia both parietal association areas (AMSA, PMSA) are easily recognized. Under pentobarbital anaesthesia, however, no activity is detectable in the PMSA, while somewhat anteriorly from the AMSA a polysensory focus manifests itself with latencies equalling those in the primary sensory areas. It is supposed that in the suprasylvian gyrus two polysensory systems are localized, differing in their situation, electrophysiologic characteristics and sensitivity to anaesthetics.

Original languageEnglish
Pages (from-to)181-187
Number of pages7
JournalActa Physiologica Academiae Scientiarum Hungaricae
Volume55
Issue number3
Publication statusPublished - 1980

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Amsacrine
Chloralose
Pentobarbital
Anesthetics
Cats
Anesthesia
Somatosensory Evoked Potentials
Visual Evoked Potentials
Acoustics
pyrrolidin-3-yl-methanesulfonic acid

ASJC Scopus subject areas

  • Physiology

Cite this

The existence of two polysensory systems in the suprasylvian gyrus of the cat. / Toldi, J.; Feher, O.; Gero, L.

In: Acta Physiologica Academiae Scientiarum Hungaricae, Vol. 55, No. 3, 1980, p. 181-187.

Research output: Contribution to journalArticle

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