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Was I born to love peanut butter & jelly?

Explore the interplay of nature vs. nurture in our love for peanut butter & jelly. Discover the biology behind taste and smell, from tongue papillae to pheromones. Delve into sensory interaction and gender-related odors. Uncover the complexity of our sensory experiences.

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Was I born to love peanut butter & jelly?

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  1. Was I born to love peanut butter & jelly? What is the bigger question here? Nature versus Nurture

  2. Smell and Taste

  3. Why do we study smell and taste together? • SENSORY INTERACTION: the principle that one sense may influence another.

  4. So….Was I born to love peanut butter & jelly? Lets take a look at the Nature perspective first.

  5. How do we taste? • Taste (and smell) are chemical senses. What is the central muscle involved in taste?

  6. Tongue

  7. Papillae • Those bumps on our tongue are called Papillae. • Papillae help grip food while your teeth are chewing. They also have another special job - they contain your taste buds

  8. Taste Buds Map out the tongue

  9. PTC Strips

  10. But what about smell? Can our sense of smell be biologically based?

  11. Gender related odors • Can you smell the difference between? Hands, Breath, Shirts

  12. So can we smell the difference? • Well….yes and no. Pheromones • Chemical messengers that are picked up through our sense of smell. • Founded in the early 1930’s by studying silkworms. • Jury is still out on whether they exist in humans. Best evidence we have comes out of the university of Chicago.

  13. Lets not forget about Nurture

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