Corticothalamic connections from the second somatosensory area and neighboring regions in the lateral sulcus of macaque monkeys

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Abstract

Corticothalamic connections were shown between the second somatosensory area in primates and the ventroposterior nuclei of the thalamus. These projections were topographically arranged with those from the hindlimb portions of SII traced to the most lateral and posterior parts of the ventroposterior lateral nucleus (VPLc) and those from the forelimb located medially within VPLc. The densest labeling was found ventrally in VPLc and dorsally within ventroposterior inferior n. (VPI) only after injections of the forelimb. A more scattered, dorsal distribution of labeling was seen in the rest of VPLc from injections involving more proximal parts of the body representation in SII.

Original languageEnglish
Pages (from-to)362-366
Number of pages5
JournalBrain Research
Volume309
Issue number2
DOIs
StatePublished - Sep 10 1984

Keywords

  • corticothalamic connections
  • primates
  • second somatosensory area

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