A synesthete is someone who experiences a unique condition called synesthesia, where their senses blend together. For example, they may see colors when they hear music or taste flavors when they touch certain objects. Full definition
Other forms of synesthesia exist, which some mirror - touch synesthetes also may have, Medina says. (sciencedaily.com)
Synesthetes reported that these arrays organized themselves into distinct rows or columns depending on whether the rows or columns of characters were the same synesthetic color. (scientificamerican.com)
But synesthetes also report making computational errors because 6 and 8 have the same color and claim to prejudge couples they meet because the colors of their first names clash so hideously. (scientificamerican.com)