How Your Sense of Smell Helps You Savor Flavor | Body Stuff with Dr. Jen Gunter | TED | Summary and Q&A

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How Your Sense of Smell Helps You Savor Flavor | Body Stuff with Dr. Jen Gunter | TED

TL;DR

Our sense of smell plays a huge role in our ability to process flavor, and without it, food would seem flavorless.

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Key Insights

  • πŸ‘ƒ Smell plays a crucial role in our ability to process flavor, and our sense of smell is what brings nuance to what we eat.
  • 🧠 The brain not only categorizes smells, but also associates feelings, moods, and emotions with those smells.
  • πŸ‘₯ People with a healthy sense of smell can detect anywhere between 10,000 to over a trillion different odors.
  • πŸ‘… Taste is limited to the basics: salty, sweet, bitter, sour, and umami.
  • πŸ• When we eat, the complex smells from the food travel through our nasal passage, where olfactory neurons gather information and send it to the brain.
  • πŸ‘ƒ Smell and taste work together to help us enjoy food - without smell, food can seem flavorless.
  • 🀧 If our sense of smell isn't functioning properly, food can lose its flavor complexity.
  • 🌟 So, next time we savor an amazing flavor, we should thank our nose for enhancing our culinary experience.

Transcript

In a recent survey, a majority of respondents picked their sense of smell as the one they'd be most willing to give up among the traditional five senses. But if you love food, you should be giving your nose much more credit. Because it’s actually our sense of smell that plays a huge role in our ability to process flavor. [Body Stuff with Dr. Jen Gu... Read More

Questions & Answers

Q: What role does our sense of smell play in processing flavor?

Our sense of smell plays a huge role in our ability to process flavor. When we breathe in smell molecules, they stimulate olfactory sensory neurons in the nose. These neurons contain odor receptors that are triggered by the smell molecules, sending information to the brain. The brain categorizes this information as a particular odor and can also associate feelings, like pleasure or disgust, and other moods and emotions with that odor for future reference.

Q: How many odor receptors do people with a healthy working sense of smell have?

People with a healthy working sense of smell have odor receptors that can combine to detect anywhere between 10,000 to more than a trillion different odors. This means that there are more smells out there than our 400 or so odor receptors can detect, but our sense of smell is still incredibly diverse and complex.

Q: How is our sense of taste different from our sense of smell?

Our sense of taste comes from taste receptors on our tongues and in our mouths. It is limited to the basics: salty, sweet, bitter, sour, and, somewhat controversially, umami or savory. While taste can be experienced without smell, it is a bland experience when our sense of smell is compromised, such as when we have a stuffy nose. Taste and smell work together to help us fully enjoy food by combining the flavors detected by our taste receptors with the complex smells detected by our olfactory neurons.

Q: Why does food seem flavorless when our nose isn't working properly?

When our nose isn't working properly, and we can't detect complex odors, food may seem flavorless. This is because, without the sense of smell, we are only able to taste the basic tastes like salt, sweet, bitter, sour, and umami. The complex smells from food play a crucial role in enhancing our enjoyment of food. When our nose is compromised, we are only perceiving a fraction of the flavors that come from both taste and smell.

Summary & Key Takeaways

  • A majority of people would be most willing to give up their sense of smell among the traditional five senses.

  • Our sense of smell plays an important role in our ability to process flavor.

  • The brain not only categorizes odors but also associates feelings and emotions with them, which enhances our perception of taste.

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