Discrimination in Electric Taste

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Abstract
Taste discrimination is measured by vising electric taste stimuli. The results obtained from six subjects at three intensity levels support the contention that the size of differential threshold grows as a power function of stimulus intensity, the exponent being 0.4. For the Weber ratio an average value of 0.14 was obtained. This value lies close to the 0.15 for salt, as reported in the literature. When calculated and interpolated from the results 17 successive jnds were obtained up to the stimulus intensity of 120 μA. Beidler's function was approximately linear from the 4th jnd onward.

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