Reorganization of cerebellorubral terminal fields following hemispherectomy in adult cats

C. E. Olmstead, J. R. Villablanca, B. J. Sonnier, J. P. McAllister, F. Gómez

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


Tritiated amino acids were injected into the right nucleus interpositus of the cerebellum and the projections to the red nucleus were mapped autoradiographically in adult cats with ablation of the left cerebral hemisphere and in intact controls. In intact animals cerebellorubral terminalis were found along the entire rostrocaudal extent of only the left red nucleus. The fields occupied a larger area and were apparently more dense toward the middle third of the nucleus. An outstanding change in hemispherectomized cats was a significant expansion of the terminal fields into the dorsal quadrants. Possibilities for morphological reorganization are discussed.

Original languageEnglish
Pages (from-to)336-340
Number of pages5
JournalBrain Research
Issue number2
StatePublished - Sep 12 1983


  • CNS plasticity
  • hemispherectomy
  • red nucleus
  • regeneration
  • sprouting


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