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The tongue is essentially a bunch of ridges and valleys called papillae. The four kinds of papillae that cover our tongues are filiform, fungiform, foliate, and circumvallate. All of these papillae contain taste buds except for filiform which is also why we’re “taste blind” on the center of our tongues. Through taste buds, which contain taste cells that send information to our brain, we determine the taste of a certain food.
misconception: Our tongues have designated areas dedicated to tasting certain flavors
new theory: All parts of the tongue are capable of distinguishing different tastes
Quick Questions:
1. Do you think it is a myth that your tongue has dedicated areas for perceiving different taste or does all areas taste all flavors?
2. Have you ever experienced a different sense being noticeably heightened?
3. What taste do you experience most often?
4. If you had to get rid of one taste, which would it be?
5. Given that you have the example of how smell affects taste, discuss another scenario where two senses interact.
2. How do our senses interact?
1. How do we experience taste?
All our senses work together, but the sense of smell and taste are special partners. When we eat, our nose smells the food and our tongue gives us the taste of the food. Together, they help us sense most, if not all, of the flavors contained in the food we eat.
The simple break down:
1. Taste Receptor Cells on Tongue
2. Taste Sensory Neurons in the Brainstem
3. Brainstem taste relay (gustatory nucleus)
4a. Somatosensory & frontal cortex
4b. Amygdala Hypothalamus
4c. Hippocampus