Abstract
Hosoya and Yoshida1, and especially Ottoson2, showed that a slow potential appears in the olfactory epithelium when an odour is applied. A similar slow potential was found at the cessation of odour application in our laboratory3–5. These potentials were electronegative when recorded by means of a macro-electrode placed on the surface of the olfactory epithelium. Later, an electropositive slow potential was found in our laboratory when some kind of odours were applied6,7. Consequently, three kinds of responses, electronegative on-, electropositive on- and electronegative off-slow potentials were found in the olfactory epithelium of the frog, toad, fish and newt.
References
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TAKAGI, S., YAJIMA, T. Electrical Responses to Odours of Degenerating Olfactory Epithelium. Nature 202, 1220 (1964). https://doi.org/10.1038/2021220a0
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DOI: https://doi.org/10.1038/2021220a0
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