tongue mapping Tag

Is The Tongue Mapping Theory True?

Remember testing the tongue mapping theory in elementary school? We were told that the tongue was divided into different sections. Each section was meant to taste either salty, sour, bitter or sweet. I clearly remember sitting in class, watching the teacher go around the class, dropping a drip of mystery fluid onto each student's tongue. According to the teacher and the tongue map, we were only supposed to taste bitter at the back of our tongue, sweet at the tip, and bitter and sour on the sides. I remember sitting in confusion. First of all, why would the tongue have a useless...