The world looks different to people with synesthesia, because their hearing, taste, smell and vision are connected. Most synaesthetes associate colors when they see letters, numbers and notes. For example, in the eyes of some synaesthetes, the capital letter A symbolizes red, and 5 times 2 equals blue. But when hearing words, synesthetes mostly think of certain flavors. For some synaesthetes, hearing the name "Michelle" can make him taste the taste of egg white.
Ordinary people may be jealous of the "special functions" of synaesthetes, but according to synaesthetes, synaesthesia sometimes tortures them. A synaesthete who asked not to be named complained that synaesthesia even affected his driving pleasure, because when he saw a series of traffic signs on the road, his mouth seemed to taste strange flavors ranging from pistachios to earwax. Simner said that although she only found 1 people who can generate synaesthesia in Europe and the United States, experiments have proved that this phenomenon exists objectively and is by no means a fabrication. The magnetic resonance perspective of synaesthetes' brains shows that the corresponding words can make them react in specific areas of their brains. Simna also found that synaesthetes' sense of taste is not caused by hearing sound, but by the meaning of words conveyed by sound. Perspective shows that when they have a sense of taste, the part of their brain that interprets the meaning of words reacts, while the part responsible for memorizing the pronunciation of words does not. Some people even forget the expression of words, but as long as they remember the meaning of the words, they still have synesthesia for the words. For example, when an experimenter saw the phonograph, although she forgot the term "phonograph", she still "tasted" the taste of Dutch chocolate, which was consistent with the results of her previous experiments.
Simner attributed the root cause of synaesthesia to the differences in communication functions of different parts of the human brain. Some functions of synaesthetes' brains, such as language function and sensory function, can communicate with each other and exchange information, but ordinary people's brains do not have this ability. (Liu Zhengzheng) (Source: Xinhuanet For most people, music can only bring auditory enjoyment. But for Swiss female musician E S, a symphony can not only delight her ears, but also let her "see" the colorful colors and "taste" the delicious taste of cream.
When she hears a piece of music, the tunes with different rhythms and pitches can not only "see" different colors, but also "taste" different flavors. For example, the music in F key makes E S "see" violet-like purple, while the music in C key corresponds to red.
In addition to the colors in front of her eyes, different tones can stimulate her sense of taste, so that she can "taste" all kinds of sweet and sour tastes from music. For her, the second minor is sour, the second major is bitter, the third minor is salty and the third major is sweet. (Not mine, I hope this will help you)