The Multi Layered Nature Of Synesthesia

1840 WordsMay 4, 20178 Pages
"The taste of beef, such as a steak, produces a rich blue," and “Mango sherbet appears as a wall of lime green with thin wavy strips of cherry red. Steamed gingered squid produces a large glob of bright orange foam, about four feet away, directly in front of me." this sublime description by Day, a professor at National Central University in Taiwan describes his neurological condition called synesthesia.1 Synesthesia is a neurological condition in which the stimulation of one sense is automatically accompanied by a second sense. There are many different types of synesthesia ranging from grapheme-color synesthesia, associating letter and numbers with colors, to spatial sequence synesthesia, associating numerical sequences to points in space.…show more content…
(Simner). Next came the first mention of synesthesia in scientific literature, Sir Francis Galton published a paper about synesthesia in the journal Nature in 1880.( Guillochon, May,). Soon after this publication a Swiss medical student named Eugen Bleuler and Karl Lehmann collected data on 76 synesthesia patients and compiled a book that now is considered a milestone in the history of synesthesia. (Simner). As a whole the scientific community delved into the study of synesthesia in the late 19th century and the early 20th century, but in the mid-20th century research subsided until the 1970s when the study of synesthesia was revived. (Carpenter). Synesthesia history was one of self-discovery and new studies and data about the condition. The exact cause of synesthesia although not discovered; at the moment the cause can best be explained by the hypothesis of serotonergic factors. Scientists do in fact though classify three categories of how one acquired synesthesia. (Brogaard ). The three categories as follows are developmental synesthesia, acquired synesthesia, and drug-induced synesthesia. (Brogaard). Developmental synesthesia is the most common type; it is the form of the condition that has continued since birth or early childhood and is most common in people with autism-spectrum disorders. (Brogaard, Safran, ). Acquired synesthesia is a form of the condition which synesthesia appears after a brain injury of

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