Can you smell a rainbow? Can you taste friday? What colour is the si? The taste of the food that you ate today was circle or angular? Most of you might think that these questions are silly but there are some people who can answer these questions.
What is synesthesia?
You all heard about the word anesthesia, right? When we look at its root, esthesia means "to feel". "An" makes it negative. So the word anesthesia means "not able to feel".
Synesthesia also have the same root with anaesthesia. Syn means "together". So, synesthesia means experiencing senses together.
Several senses at a time
Normally, our tongue sends signals to the tasting area of out brain, and our eyes send signals to the seeing area of our brain. But what happens if our eyes send these signals to both tasting and seeing area?
If it happens you can taste the things that you see. Colours might have specific tastes for you.
Here are some examples of synesthesia:
- Hearing piano sound while eating chocolate.
- Seeing colours while listening to music.
- Tasting a certain food while touching a certain kind of cloth.
- Seeing letters and number in colours(That's the most common one).
How does it occur?
The major neural hypotheses propose synesthesia occurs due to neural hyper connectivity among sensory areas in the cortex, perhaps due to faulty axonal pruning, or differences in axon guidance.
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