Pratique du Shadowing: How memories form and how we lose them - Catharine Young - Apprendre l'anglais à l'oral avec YouTube

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Think back to a really vivid memory.
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Think back to a really vivid memory.
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Got it? Okay, now try to remember what you had for lunch three weeks ago.
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That second memory probably isn't as strong, but why not?
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Why do we remember some things, and not others?
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And why do memories eventually fade?
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Let's look at how memories form in the first place.
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When you experience something, like dialing a phone number, the experience is converted into a pulse of electrical energy that zips along a network of neurons.
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Information first lands in short term memory, where it's available from anywhere from a few seconds to a couple of minutes.
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It's then transferred to long-term memory through areas such as the hippocampus, and finally to several storage regions across the brain.
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Neurons throughout the brain communicate at dedicated sites called synapses using specialized neurotransmitters.
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If two neurons communicate repeatedly, a remarkable thing happens: the efficiency of communication between them increases.
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This process, called long term potentiation, is considered to be a mechanism by which memories are stored long-term, but how do some memories get lost?
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Age is one factor.
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As we get older, synapses begin to falter and weaken, affecting how easily we can retrieve memories.
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Scientists have several theories about what's behind this deterioration, from actual brain shrinkage, the hippocampus loses 5% of its neurons every decade for a total loss of 20% by the time you're 80 years old to the drop in the production of neurotransmitters, like acetylcholine, which is vital to learning and memory.
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These changes seem to affect how people retrieve stored information.
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Age also affects our memory-making abilities.
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Memories are encoded most strongly when we're paying attention, when we're deeply engaged, and when information is meaningful to us.
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Mental and physical health problems, which tend to increase as we age, interfere with our ability to pay attention, and thus act as memory thieves.
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Another leading cause of memory problems is chronic stress.
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When we're constantly overloaded with work and personal responsibilites, our bodies are on hyperalert.
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This response has evolved from the physiological mechanism designed to make sure we can survive in a crisis.
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Stress chemicals help mobilize energy and increase alertness.
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However, with chronic stress our bodies become flooded with these chemicals, resulting in a loss of brain cells and an inability to form new ones, which affects our ability to retain new information.
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Depression is another culprit.
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People who are depressed are 40% more likely to develop memory problems.
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Low levels of serotonin, a neurotransmitter connected to arousal, may make depressed individuals less attentive to new information.
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Dwelling on sad events in the past, another symptom of depression, makes it difficult to pay attention to the present, affecting the ability to store short-term memories.
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Isolation, which is tied to depression, is another memory thief.
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A study by the Harvard School of Public Health found that older people with high levels of social integration had a slower rate of memory decline over a six-year period.
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The exact reason remains unclear, but experts suspect that social interaction gives our brain a mental workout.
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Just like muscle strength, we have to use our brain or risk losing it.
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But don't despair.
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There are several steps you can take to aid your brain in preserving your memories.
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Make sure you keep physically active.
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Increased blood flow to the brain is helpful.
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And eat well.
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Your brain needs all the right nutrients to keep functioning correctly.
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And finally, give your brain a workout.
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Exposing your brain to challenges, like learning a new language, is one of the best defenses for keeping your memories intact.

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Why practice speaking with this video?

Engaging with Catharine Young's insightful video on how memories form and fade offers an excellent opportunity to practice your English speaking skills. This content is rich in vocabulary related to neuroscience and personal experiences, making it not only educational but also practical for conversational use. By practicing shadow speech with this video, you can enhance your pronunciation, intonation, and fluency. The real-world context of discussing memory helps you connect deeper with the material, making it easier to remember the language structures and vocabulary as you learn English with YouTube.

Grammar & Expressions in Context

Identifying key structures within the speaker's content can significantly enhance your understanding of English grammar. Here are three useful constructions from the transcript:

  • When you experience something, – This conditional phrase sets the stage for explaining a process, a commonly used structure in English that helps frame discussions and explanations.
  • Why do we remember some things, and not others? – This question structure emphasizes contrasting ideas and is useful for initiating discussions or inquiries in English.
  • As we get older, synapses begin to falter and weaken, – Notice the use of the present tense to discuss general truths, a crucial aspect of English grammar that can be applied in various contexts.

Common Pronunciation Traps

Pronunciation can be challenging, especially with words that have multiple syllables or specific phonetic sounds. Here are a few words from the video transcript that you might find tricky:

  • Neuroscience – Pay attention to the syllable division and the soft "ci" sound.
  • Neurotransmitters – Practice this word slowly, as the length and complexity can lead to mispronunciation.
  • Attention – The stress on the second syllable is essential; be cautious of how it blends in natural speech.

By focusing on these pronunciations and incorporating them into your shadowing technique, you'll enhance your spoken English remarkably. For more practice, consider visiting a shadowspeaks or shadowing site to find more material that aligns with your learning goals!

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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