Synesthesia - Wikipedia, the free encyclopedia

   "synesthesia, known as grapheme → color synesthesia , letters or
    numbers are perceived as inherently colored, while in ordinal
    linguistic personification , numbers, days of the week and months
    of the year evoke personalities"

   "cross-sensory metaphors (e.g., "loud shirt", "bitter wind" or "
    prickly laugh") are sometimes described as "synesthetic", true
    neurological synesthesia is involuntary"

   "The automatic and ineffable nature of a synesthetic experience
    means that the pairing may not seem out of the ordinary. This
    involuntary and consistent nature helps define synesthesia as a
    real experience"

   ""'Until one day,' I said to my father, 'I realized that to make
    an R all I had to do was first write a P and draw a line down
    from its loop. And I was so surprised that I could turn a yellow
    letter into an orange letter just by adding a line"

   "I remember in elementary school remembering how to spell the word
    'priority' because the color scheme, in general, was darker than
    many other words. I would know that an 'e' was out of place in
    that word because e's were yellow and didn't fit"
 
 - Synesthesia - Wikipedia, the free encyclopedia
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