A case of synesthesia.

Abstract
Presents a case of synesthesia in a 41-yr-old anxiety neurotic woman, where the color blue in its various shades was suggested by sounds. This development has been traced back to the earliest years of the S's childhood. Synesthesia was instigated by only vowel sounds. Although numbers never produced colors, cardinal numbers were always associated with a visualized geometrical line arrangement. Colored thinking and gustatory synesthesia were also present, in addition to colored hearing. Color and sound occurred simultaneously and the sound seemed to melt into the color. However, thinking of a specific color never produced the word or sound associated with that particular color. This case can be explained by the theory of nerve irradiation, arising from a congenital defect of the nervous system, in which the stimulation of one center passes over into another, varying with the individual and with the intensity of the provoked sensation. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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