쉐도잉 연습: The 15% Rule: How to Learn Faster | Andrew Huberman - 영상으로 영어 말하기 배우기
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One of the biggest lies in public education about neuroscience is that every experience changes your brain.
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By the time I'm done saying this, your brain will be different.
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No, that's absolutely not true.
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That's a bunch of hooey.
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I studied neuroplasticity.
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I teach neuroplasticity.
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I'll tell you, you know what induces neuroplasticity?
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Being a baby who's trying to learn
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or being an adult who's forcing yourself to try and learn and you can't do the thing.
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The error is what stimulates the plasticity.
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And the appropriate level of difficulty, say the computational modeling is somewhere around 15 % on average.
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Now, what does that mean?
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You need to do a bout of work of 90 minutes to two hours.
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Like you got to strive and try and learn something.
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Do something hard every day mentally.
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This is critical for your ability to focus.
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And by the way, you asked about phones.
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Awesome study came out.
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They had people with their phone off, upside down on the table or in their bag,
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underneath their chair or in the opposite room, a separate room.
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And what they found is people can focus just fine in all three conditions.
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But if the phone is anywhere in the room, the amount of cognitive flexibility they have with the material they're focusing on is diminished.
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In other words, it requires more energy to focus, even if they're not getting calls and notifications.
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There's a subscript running in the brain, apparently, that's anticipating that this thing is going to reach for me.
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It's going to call me.
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So it's calling you even if it's not calling you, which is pretty cool.
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And so the way to increase focus and cognitive capacity is actually to just get the phone out of the room.
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That's a big part of it.
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Do some effortful learning bout, and it should feel like a fight.
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Keep in mind the friction you feel trying to learn something, that's adrenaline.
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Remember, how do we block learning?
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We block adrenaline, and it's downstream effects with propranolol.
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Being alert but calm or a little stressed and making errors through deliberate attempts to do something, not just throwaway errors.
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That's how you learn.
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Why?
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If I can reach out and grab this pen, my brain doesn't change.
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There's two kinds of practice.
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One is practicing doing things I already know how to do.
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There, you're aiming for 100 % performance, right?
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You're reinforcing what you already know how to do.
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Talk to a great dancer and they'll tell you they drill, drill, drill, drill the things they already know how to do.
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But when you're trying to learn the new language, the new emotional skill, the new physical skill, the new cognitive emotional skill.
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You need to make genuine attempts and you need to fail some of the time.
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And those failure signals are relayed to your cerebellum and your cerebellum propagates through networks that say change.
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So there's a set of conditions in the chapter on plasticity that say you need to be alert.
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So I talk about all the ways you can get alert, including pharmacology supplements and behavioral tools.
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Then you need to be focused.
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I talk about all the tools for focus, which you can devote to anything, not just learning.
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And then I talk about the conditions for plasticity.
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And you need to get this friction and these errors.
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And then you need to stop.
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You need to come back a day or two later, do it again.
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And then you need to make sure that you reinforce what you learned.
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Here's where AI is going to be a wonderful tool, already is a wonderful tool.
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The best way to learn is to not forget.
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Meaning if you test yourself mentally, or you could use any one of the LLMs, but I'll go into chat GPT and I'll just say,
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generate a short test of a graduate student at Stanford level, questions about neuroplasticity.
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And I go, oh, and I remember this, there's this one thing I don't remember.
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That's how you maintain and build knowledge over time.
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Self -testing, self -testing.
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People hear the word test, they think of external tester.
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You're the test taker, self -testing.
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That's a really interesting idea for this podcast episode, which we should definitely run.
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Should we generate a quiz?
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Yeah.
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So we can take the transcript and we can turn it into a test.
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Cool.
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Yeah.
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ChatGPT is great at doing this.
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You can change the difficulty and you can actually say, I'm a professor of neuroscience and I want a 15 % error rate on average.
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The study I love that really backs this up is
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that there've been a lot of studies of learning where they have students read the same passage one, two, three, or four times.
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And then they also have them highlight or take notes, or they just have them read it once and self -test.
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And they look six months and two years later.
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Reading it once, no notes, no highlighting and self -testing, you know, about a week later and looking up what you got,
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couldn't remember or got wrong led to much more stable learning over time.
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Awesome.
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Now this doesn't work so well for physical endeavors because there you have to like actually do the physical thing.
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You have to test yourself physically, but I love that set of experiments because it tells us everything we should be doing.
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이 레슨의 어휘와 말하기 포인트
이 말하기 레슨은 영상 “The 15% Rule: How to Learn Faster”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: learn, test, error, learning, focus. 이 영상에는 섀도잉할 문장 79개와 단어 909개가 있습니다. 말하는 구간의 길이는 4:40입니다. 화자는 분당 약 195단어로 빠르게 말하므로 연음과 약하게 발음되는 소리가 많습니다. 단어의 85%가 영어에서 가장 많이 쓰이는 3,000단어에 속합니다. 나머지는 연습 전에 미리 확인해 두세요.
이 영상의 핵심 어휘
영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.
| 단어 | 발음 | 뜻 |
|---|---|---|
| drill 명사 | /dɹɪl/ | 드릴 |
| skill 명사 | /skɪl/ | 기술, 스킬 |
| alert 형용사 | /əˈlɝt/ | 기민하다, 경계하다 |
| difficulty 명사 | /ˈdɪfɪkəlti/ | 어려움 |
| friction 명사 | /ˈfɹɪkʃən/ | 마찰 |
| reinforce 동사 | /ˌɹiː.ɪnˈfɔːs/ | 보강하다 |
| adrenaline 명사 | /əˈdɹɛnəlɪn/ | 아드레날린, 에피네프린 |
| stable 명사 | /ˈsteɪ.bəl/ | 마구간, 축사 |
| experiment 명사 | /ɪkˈspɛɹ.ə.mənt/ | 실험 |
| genuine 형용사 | /ˈd͡ʒɛn.juˌɪn/ | 성실하다, 진짜의 |
| podcast 명사 | /ˈpɑdˌkæst/ | 팟캐스트 |
| flexibility 명사 | /ˌflɛksɪˈbɪlɪti/ | 유연성 |
| dancer 명사 | /ˈdænsəɹ/ | 댄서, 춤꾼 |
| notification 명사 | /ˌnoʊtɪfɪˈkeɪʃn̩/ | 통지 |
| quiz 명사 | /kwɪz/ | 퀴즈 |
영상에 나오는 구동사
| 단어 | 발음 | 뜻 |
|---|---|---|
| come back 동사 | 돌아오다 | |
| come out 동사 | /ˌkʌm ˈaʊt/ | 나오다 |
따라 말해 볼 만한 문장
영상에 나오는 짧고 완결된 문장으로, 일상 대화에서 그대로 쓸 수 있습니다:
- I'll tell you, you know what induces neuroplasticity?
- It's going to call me.
- Remember, how do we block learning?
- We block adrenaline, and it's downstream effects with propranolol.
- Should we generate a quiz?
주의할 발음
화자는 you're, I'll, doesn't 같은 축약형과 약화된 형태를 18번 사용합니다. 들리는 대로 짧게 발음하세요.
- “sh”와 “zh” 소리: friction /ˈfɹɪkʃən/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/, computational /ˌkɑmpjʊˈteɪʃənəl/, diminish /dɪˈmɪnɪʃ/
- 긴 단어 — 강세 위치에 주의: difficulty /ˈdɪfɪkəlti/, adrenaline /əˈdɹɛnəlɪn/, experiment /ɪkˈspɛɹ.ə.mənt/, flexibility /ˌflɛksɪˈbɪlɪti/, notification /ˌnoʊtɪfɪˈkeɪʃn̩/
한국어 화자가 어려워하는 소리:
- /f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: difficulty /ˈdɪfɪkəlti/, friction /ˈfɹɪkʃən/, reinforce /ˌɹiː.ɪnˈfɔːs/, physically /ˈfɪz.ɪ.kli/, flexibility /ˌflɛksɪˈbɪlɪti/
- /v/ — ㅂ(/b/)과 구별하기: cognitive /ˈkɑɡ.nɪ.tɪv/, behavioral /bɪˈheɪvjəɹəl/, strive /ˈstɹaɪv/, endeavor /ɛnˈdɛv.ɚ/, devote /dɪˈvəʊt/
- /z/ — ㅈ이 아니라 성대를 울리는 /s/: physically /ˈfɪz.ɪ.kli/, quiz /kwɪz/
이 영상으로 연습하는 방법
- 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
- 0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
- 자신의 목소리를 녹음해 원본과 비교하고, drill, skill, alert 같은 단어에 특히 주의합니다.
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.