Invasion of visual cortex by the auditory system in the naturally blind mole rat

Peter Heil*, Gilles Bronchti, Zvi Wollberg, Henning Scheich

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

Previously we have shown that the dorsal lateral geniculate body (LGB), which is strictly visual in sighted mammals, receives a strong auditory input in the naturally blind mole rat (Spalax ehrenbergi). Here we show with the 2-deoxyglucose technique and with single-unit recordings that in this species the initially non-degenerated visual cortex, as defined by its connection with LGB, is also activated by the auditory modality. These findings suggest that cross-modal compensation may occur as a natural consequence of the degeneration of a sense organ.

Original languageEnglish
Pages (from-to)735-738
Number of pages4
JournalNeuroReport
Volume2
Issue number12
DOIs
StatePublished - Dec 1991

Keywords

  • Auditory system
  • Cross-modal compensation
  • Mammals
  • Visual cortex

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