Activation of a specific vestibulo-olivary pathway by centripetal acceleration in rat

Galen D. Kaufman, John H. Anderson, Alvin Beitz

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Unanesthetized Long-Evans (pigmented) rats were subjected to 2.0 G centripetal acceleration for 90 min. Immunohistochemical analysis, using a polyclonal antibody for Fos, revealed a distinct pattern of neuronal activation in the off-axis animals in the dorsomedial cell column (DMCC) of the inferior olivary nucleus. These results are consistent with previous anatomical evidence and indicate that the DMCC is an important component in an otolith-olivocerebellar circuit which may help to define an internal spatial reference.

Original languageEnglish (US)
Pages (from-to)311-317
Number of pages7
JournalBrain Research
Volume562
Issue number2
DOIs
StatePublished - Oct 25 1991

Bibliographical note

Funding Information:
This work is supported by NASA/NGT-50563 and NIH Grants DC01086, NS19208, DC00ll0, DE06682, and DA06687.

Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.

Keywords

  • Fos
  • Hypergravity
  • Immunohistochemistry
  • Inferior olive
  • Otolith input
  • Vestibular system

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