Abstract
The evoked cortical responses to taste solutions applied to the human tongue surface were recorded by the averaging technique. The response was characterized by two positive waves with onset latencies of approximately 150 msec and 500–1500 msec. The early wave was due to mechanical stimulation by pouring the solution on the tongue surface, and the late wave was the gustatory response. The gustatory response to acid and salt was significant, but that to sucrose and quinine hydrochloride was not visible as far as 40 responses were summated. The reasons for this effect are discussed.
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