Association between synesthetic colors and sensitivity to physical colors changed by type of synesthetic experience in grapheme-color synesthesia |
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| Institution: | 1. School of Psychology, Pevensey Building, University of Sussex, UK;2. Department of Psychology, Edinburgh Napier University, UK;3. Department of Psychology, University of Edinburgh, UK;1. Department of Psychology and Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer- Sheva, Israel;2. Neuroimaging Center (NIC), Focus Program Translational Neuroscience, Johannes Gutenberg University Medical Center, Mainz, Germany;3. Leibniz Institute for Resilience Research, Wallstr. 7, 55122, Mainz, Germany;4. Department of Education, Hebrew University of Jerusalem, Israel;1. School of Psychology, Pevensey Building, University of Sussex, BN1 9QJ, UK;2. Dept. of Psychology, University of Edinburgh, 7 George Square, EH8 9JZ, UK;3. Dept. of Psychology, City University London, Northampton Square, London EC1V 0HB, UK;1. Department of Psychology, University of Nevada, Mail Stop 296, Reno, NV 89557, USA;2. Department of Psychology, University of California, 3210 Tolman Hall, Berkeley, CA 94720-1650, USA |
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| Abstract: | Grapheme-color synesthesia is a condition in which visual perception of letters induces simultaneous perception of a specific color. Previous studies indicate that grapheme-color synesthetes are more sensitive to physical colors than non-synesthetes. Synesthetic colors are found to be concentrated in multiple regions of the color space, forming “synesthetic color clusters”. The present study investigated whether color sensitivity corresponding to synesthetic color clusters (clustered colors) is higher than color sensitivity that does not correspond to synesthetic color clusters (non-clustered colors). However, we found no difference in the color sensitivity for clustered and non-clustered colors. We also investigated whether the color sensitivity is dependent on the synesthetic experience (associators and projectors). We found that the greater the tendency toward associator characteristics, the greater the sensitivity for clustered colors compared to that for non-clustered colors. Our findings suggest an association between synesthetic colors and physical color sensitivity that is modulated by synesthetic experience. |
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| Keywords: | Grapheme-color synesthesia Synesthetic color Synesthetic color clusters Physical color Color sensitivity Synesthetic experience |
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