"It is difficult to explain.I see what you see. Rather, they report that they are simultaneously aware of the external color and also the internal, synesthetic color:Īs C relates. While synesthetes sometimes report seeing colors projected in space, they do not confuse their synesthetic colors with real colors in the external world. And I wonder what the hell it must look like to the students." As I'm talking, I see vague pictures of Bessel functions from Jahnke and Emde's book, with light-tan j's, slightly violet-bluish n's, and dark brown x's flying around. When I see equations, I see the letters in colors – I don't know why. For example, the Nobel prize winning physicist, Richard Feynman reports: On the other hand, many synesthetes never realize that their experiences are in any way unusual or exceptional. In general I find my mind is highly associative, it's a creative tool that allows me to dream up complex stories with interesting juxtapositions and analogies." I did grow out of this to some degree and it's more of an intellectual curiosity now. Whenever possible I would use the number six in relation to blue. As a youth I was just crazy about the number six and the color blue. But colors aren't numbers it's a one way synesthesia for me. "For me, numbers were always colors, for example, six is blue. He said "So you're a synesthete!" I hadn't heard of synesthesia (which means something close to 'sense-fusion') – I only knew that numbers seemed naturally to have colours: five is blue, two is green, three is red… And music has colours too: the key of C# minor is a sharp, tangy yellow, F major is a warm brown." Īs reported by poet and screenwriter Stephen Bishop 3rd: "A few years ago, I mentioned to a friend that I remembered phone numbers by their colour. And I was so surprised that I could turn a yellow letter into an orange letter just by adding a line.'" "'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. Writer and synesthete Patricia Lynne Duffy remembers one early experience: Many synesthetes can vividly remember when they first noticed their synesthetic experiences, or when they first learned that such experiences were unusual. Synesthetes 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. Though not certain, these differences are thought to be part of the reasoning for the presence of grapheme–color synesthesia. Furthermore, the area of the brain where word, letter and color processing are located, V4a, is where the most significant difference in make-up was found. Grapheme–color synesthetes tend to have an increased thickness, volume and surface area of the fusiform gyrus. These results are consistent with another study on the brain functioning of grapheme–color synesthetes.
There was also found to be an increased grey matter volume in the right fusiform gyrus.
There is evidence of an increased grey matter volume in the left caudal intraparietal sulcus (IPS). It has been found that grapheme–color synesthetes have more grey matter in their brain. There has been a lot more research as to why and how synesthesia occurs with more recent technology and as synesthesia has become more well known. Rather, it seems that more frequent letters are paired with more frequent colors, and some meaning-based rules, such as ‘b’ being blue, drive most synesthetic associations. Despite the existence of this individual case, the majority of synesthetic associations do not seem to be driven by learning of this sort. However, one recent study has documented a case of synesthesia in which synesthetic associations could be traced back to colored refrigerator magnets. Early studies argued that grapheme–color synesthesia was not due to associative learning, such as from playing with colored refrigerator magnets. While it is extremely unlikely that any 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). Grapheme–color synesthesia is one of the most common forms of synesthesia and, because of the extensive knowledge of the visual system, one of the most studied. Like all forms of synesthesia, grapheme–color synesthesia is involuntary, consistent and memorable. Grapheme–color synaesthesia or colored grapheme synesthesia is a form of synesthesia in which an individual's perception of numerals and letters is associated with the experience of colors.
How someone with grapheme–color synesthesia might perceive (not "see") certain letters and numbers
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