Journal
PHYSIOLOGY & BEHAVIOR
Volume 72, Issue 3, Pages 291-296Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9384(00)00441-8
Keywords
anosmia; chorda tympani nerve; lick test; mouse; olfaction; taste; two-bottle preference test; zinc sulfate
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The importance of taste and smell in discrimination of tastes was examined in normal and anosmic mice. We studied the influence of olfaction on taste sensation using behavioral and electrophysiological methods in both normal animals and animals made anosmic mice by destroying their olfactory receptor cells with zinc sulfate (ZnSO4) solution. Electrophysiological responses from chorda tympani nerves showed that peripheral taste receptor cells transmitted taste signals normally to the central nervous system, even when the olfactory senses were abnormal. Behavioral observations showed that mice with abnormal olfaction could not differentiate tastes. (C) 2001 Elsevier Science Inc. All rights reserved.
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