If I write SHCJGEX it registers as a rainbow when I read over it, as does ABCPDEF." (From a slashdot discussion) Some examples: "S" is red, "H" is orange, "C" is yellow, "J" is yellow-green, "G" is green, "E" is blue, "X" is purple, "I" is pale yellow, "2" is tan, "1" is white. Sometimes, when letters are written boldly on a piece of paper, they will briefly appear to be that color if I'm not focusing on it. Every digit and every letter has a color associated with it in my head. And I was so surprised that I could turn a yellow letter into an orange letter just by adding a line.'" Īnother grapheme -> color synesthete reports: "I often associate letters and numbers with colors. Writer and synaesthete Patricia Lynne Duffy remembers one early experience: "'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 then draw a line down from its loop. Synaesthetes often report that they were unaware their experiences were unusual until they realized other people did not have them, while others report feeling as if they had been keeping a secret their entire lives. While no two synesthetes will report the same colors for all letters and numbers, studies of large numbers of synesthetes find that there are some commonalities across letters (e.g., A is likely to be red) (Day, 2005 Simner et al., 2005). In one of the most common forms of synesthesia, grapheme->color synaesthesia, individual letters of the alphabet, as well as numbers, are "shaded" or "tinged" with a color. While almost any sensory pairing is logically possible, certain combinations are much more common than others. How someone with synaesthesia might perceive (n.b., not 'see') certain letters and numbers. 3 Demonstrating the Reality of Synesthesia.Synesthesia occurs in people with normal, noninjured, nondiseased brains.Synesthesia is nonlinguistic and somewhat ineffable.Synesthetic percepts are consistent and generic (i.e.
Synesthetic images are spatially extended, meaning they often having a definite 'location'.Synesthesia is involuntary and automatic (Some synesthetes sensations may be slightly less automatic, especially for those who are not projectors and/or have more mild sensations).Neurologist Richard Cytowic (2003: 76-77 2002:67-69) identifies the following 'diagnostic' criteria of synesthesia: Markus Zedler describes in a brief article synesthesia as "a perceptual condition in which the stimulation in one sensory modality elicits a concurrent sensation in another, a perception which is perceived as real." It runs strongly in families, possibly inherited as an X-linked dominant trait. While cross-sensory metaphors are sometimes described as "synesthetic", true neurological synesthesia is involuntary and occurrs in about four percent of the population (1 in 23 persons) across its range of variants (see Simner et al., in press). In other forms of synesthesia, musical and other sounds may be perceived as colored or having particular shapes. A form known as personality-color synaesthesia, one may perceive people around them as colors. For example, in a form of synaesthesia known as grapheme-color synaesthesia, letters or numbers may be perceived as inherently colored. Synesthesia (also spelled synæsthesia or synaesthesia) - from the Greek syn- meaning union and aesthesis meaning sensation, is a neurological condition in which two or more bodily senses are coupled.
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