Visual influence on taste sensitivity |
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Authors: | Donald G. Jamieson |
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Affiliation: | 1. Department of Psychology, University of Calgary, 2500 University Drive N.W., T2N IN4, Calgary, Alberta, Canada
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Abstract: | A claimed dependence of taste sensitivity on body state, accepted for 40 years, is investigated in two experiments. Neither the growth of sensation above threshold, as measured in a magnitude estimation experiment, nor taste sensitivity near threshold, as measured by a signal detection analysis, show the claimed increment when individuals are dark-adapted. On the contrary, in both cases, performance is superior in the light, when subjects taste with their eyes open, possibly due to an arousing effect of concurrent visual stimulation. |
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