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Science 10 July 1981:
Vol. 213. no. 4504, pp. 242 - 244
DOI: 10.1126/science.6972599
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Articles

Science, Vol 213, Issue 4504, 242-244
Copyright © 1981 by American Association for the Advancement of Science

articles

Reformation of organized connections in the auditory system after generation of the eighth nerve

H Zakon and RR Capranica

Binaural cells in the superior olive normally have identical frequency sensitiveness when acoustically stimulated via either ear. The precision with which central connections are reformed after auditory nerve regeneration can be determined by comparing the frequency sensitiveness of the two binaural inputs to these cells. Three months after cutting the nerve and subsequent regeneration in the leopard frog, binaural cells once again have well-matched frequency sensitivities. Thus, the specificity of central connectivity that characterizes the auditory system in normal animals is restored after regeneration.


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