Synesthesia: II. Psychophysical relations in the synesthesia of geometrically shaped taste and colored hearing |
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Authors: | Richard E Cytowic Frank B Wood |
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Affiliation: | George Washington University Medical Center U.S.A.;Bowman Gray School of Medicine of Wake Forrest University U.S.A. |
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Abstract: | The psychophysical function in two synesthetic subjects, one with geometrically shaped taste and the other with colored hearing, is investigated. Each synesthete is compared with three control subjects. Pilot studies are used to construct appropriate response domains. Compared to controls, synesthetes give a restricted set of responses that are also asymmetric with respect to the range of choices available in various subsets of the response domain. A combination of absolute and relative effects is also distinctive of synesthetic percepts. It is concluded that synesthesia is a distinct phenomenon unlike ordinary mediated associations, and occupies an intermediate position in the range of simple to complex brain mechanisms. |
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Keywords: | Send reprint requests to: Dr. Cytowic George Washington University Medical Center Department of Neurology Suite 1203 2150 Pennsylvania Avenue NW Washington DC 20037. |
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