Synesthesia

One in twenty-three people carry the genes for the synesthesia. Not a disorder but a neurological trait-like perfect pitch-synesthesia creates vividly felt cross-sensory couplings. A synesthete might hear a voice and at the same time see it as a color or shape, taste its distinctive flavor, or feel it as a physical touch.



Cytowic explains that synesthesia's most frequent manifestation is seeing days of the week as colored, followed by sensing letters, numerals, and punctuation marks in diffe...