The perception of taste is remarkably complex, not only on the tongue but in organs throughout the body.
The idea that specific tastes are confined to certain areas of the tongue is a myth that “persists in the collective consciousness despite decades of research debunking it.” Also wrong: the notion that taste is limited to the mouth.
This was a cool read, thanks for posting! That final bit about experiments on both the color and sound while chewing also affecting flavor is super interesting.