Gustatory cortex in the rat. II. Thalamocortical projections

Eva Kosar, Harvey J. Grill, Ralph Norgren

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119 Scopus citations


The thalamic relay for lingual tactile, thermal, and gustatory sensibility was defined electrophysiologically in the rat. Subsequently, injections of tritiated leucine were centered in these functionally defined locations in separate series of rats. Following suitable survival periods, the brains were processed for autoradiographic tracing of axonal projections. After injections confined to the thalamic gustatory relay, labeled fibers terminated in agranular insular cortex. These results provide support for our previous experiments correlating neurophysiological localization of rat gustatory cortex and regional cytoarchitecture, and contrast with the traditional assignation of gustatory cortex to the granular insular area.

Original languageEnglish (US)
Pages (from-to)342-352
Number of pages11
JournalBrain research
Issue number2
StatePublished - Aug 6 1986

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology


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