The Recording of the Electrical Response from Human Taste Nerves
The first attempts to record the electrical gustatory response of man were made in order to solve the problem whether man like the monkey and many other species has gustatory fibers responding positively to water. By a freak of nature the gustatory fibers from the anterior tongue leave the lingual nerve trunk and run through a bone channel into the middle ear where it is often exposed during otological operations. The first experiments to place leads on the chorda tympani during middle ear surgery were made during the years 1956–1957 in Söder-sjukhuset, Stockholm by Åhlander and the author. In two out of ten cases very weak signals were obtained in response to cold and gustatory stimulation of the tongue. The responses were just feebly audible in the loudspeaker and could not be recorded.
KeywordsCitric Acid Neural Response Electrical Response Sweet Taste Taste Quality
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