Pratique du Shadowing: How Your Sense of Smell Helps You Savor Flavor | Body Stuff with Dr. Jen Gunter | TED - Apprendre l'anglais à l'oral avec YouTube

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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.
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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.
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But if you love food, you should be giving your nose much more credit.
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Because it’s actually our sense of smell that plays a huge role in our ability to process flavor.
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[Body Stuff with Dr. Jen Gunter] First, let's talk about how smell works, from coffee to stinky trash.
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The substances around us give off volatiles, which you can think of as tiny smell molecules.
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We breathe in these smell molecules, which then stimulate the olfactory sensory neurons that sit high in the nose.
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Each of these neurons contains an odor receptor on its surface.
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Once the odor receptors are triggered by these smell molecules, the neurons send information about them to the brain.
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Here's what I think is so cool.
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The brain not only categorizes that information as a particular odor, it may also begin to associate feelings, like pleasure or disgust and other moods and emotions with that odor for future reference.
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For example, you sniff bacon, you eat it, your taste buds get salt, and then your body gets a whack of fat, which is an energy source.
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So the brain loves it and attaches a positive label to it.
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The next time you smell bacon, a sensation associated with pleasure arises.
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Now, there are a lot of smells out there, more than our 400 or so odor receptors can detect.
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But 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.
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Now, taste is completely different.
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It comes from taste receptors on our tongues and in our mouths.
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Taste is limited to the basics: salty, sweet, bitter, sour and, somewhat controversially, umami or savory.
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You can taste without smell, but anyone with a stuffy nose can attest that's a pretty bland experience.
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That's because when we eat, for example, chewing pizza, the pizza releases volatiles that travel from our mouths and throat up through the nasal passage.
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There, olfactory neurons get all the complex smells from the pizza and send that information to the brain.
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The smell and taste work together to help us enjoy food.
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When our nose isn't working properly and food seems flavorless, it's because we're only tasting those basic tastes without any of the complex odors detected through smell.
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So the next time you savor an amazing flavor, thank your nose.
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Our sense of smell is what brings nuance to what we eat.

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About This Lesson

In this lesson, you will explore how our sense of smell enhances our experience of flavor, as discussed in the TED video featuring Dr. Jen Gunter. You’ll practice understanding and using vocabulary related to sensory perception and the science of taste. This lesson will provide you with the opportunity to improve your English speaking practice by engaging with concepts that are both informative and relatable. You will also get a chance to learn how to articulate complex ideas clearly, which is essential for effective communication in English.

Key Vocabulary & Phrases

  • Olfactory sensory neurons - Cells in the nose that detect smell.
  • Volatiles - Tiny molecules that carry scent.
  • Odor receptors - Special cells that respond to different smells.
  • Flavor - The overall perception of taste and smell combined.
  • Umami - A basic taste often described as savory.
  • Process flavor - How we perceive taste through smell and taste.
  • Associate feelings - Linking odors to emotional experiences.
  • Bland experience - A lack of flavor or interest in food.

Practice Tips

When practicing your shadow speak using this video, pay close attention to the speed and tone of Dr. Gunter's speech. Her clear enunciation makes it easier to follow along. Here are some effective strategies for your shadowing technique:

  • Start Slow: First, listen to the video at a slower speed. This allows you to catch every word and phrase without feeling overwhelmed.
  • Repeat in Real Time: Once you’re comfortable, try to repeat sentences right after you hear them. Focus on mimicking not just the words but also the intonation and rhythm of her speech.
  • Use Visuals: Watch the video while practicing. Observing the speaker can help you understand how to articulate certain sounds and phrases more clearly.
  • Summarize: After watching, summarize what you've learned in your own words. This will help reinforce the vocabulary while improving your spoken English.
  • Record Yourself: Use technology to your advantage. Record your attempts and listen back to identify areas for improvement as you learn English with YouTube.

These steps will enhance your ability to communicate effectively and confidently in English as you learn about the fascinating connections between our senses.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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