쉐도잉 연습: TOEFL Listening Practice | Lecture | Poor Contrast Sensitivity - 영상으로 영어 말하기 배우기

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thousands of people worldwide suffer from a condition called poor contrast sensitivity.
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Contrast sensitivity is the crispness of our vision.
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It enables us to see objects or colors that do not clearly stand out from their backgrounds.
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While this condition can be treated, correction involves wearing glasses or contact lenses or having surgery.
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However, recent research may have provided another solution.
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David Sanderson reports.
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People with poor contrast sensitivity have problems with night driving, including seeing pedestrians walking along poorly lit streets.
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They need extra light to read because they tire easily,
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and they may even stumble in the street when they fail to distinguish a step or curb of a similarly colored sidewalk.
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Poor contrast sensitivity affects the elderly and those suffering from amblyopia, or lazy eye.
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Recently, neuroscientists at the University of Rochester in New York used video games to carry out experiments on poor contrast sensitivity.
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Professor Frank Alexander explains.
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The images we see are processed by the brain into information about our environment.
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Neuroscientists have been studying how certain video games can enhance your eyesight and consequently, brain function.
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In this particular experiment,
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researchers studied two groups of college students who both played video games for 50 hours during a nine -week course.
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One group played action -packed shooter games such as Unreal Tournament and Call of Duty,
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which require precise, visually -guided aiming at targets, while the other played less intense puzzle games like Sims.
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The results indicated that gamers who play shooter games experienced a 43 to 58 % improvement in their contrast sensitivity,
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while those who played non -action games showed none.
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Fast action video games improved the student's spatial resolution or ability to see small objects,
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even when closely packed together on a cluttered screen. In fact, the students who played action games were able to distinguish such
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objects even in the chaotic visual scenes of a game because gaming sharpens vision.
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It also assists the brain in processing situations that are visually complex,
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allowing a player to keep track of multiple items simultaneously while processing information that is constantly being updated or changed.
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Poor contrast sensitivity was once considered impossible to change naturally, that is, without wearing glasses or undergoing surgery.
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This research confirms that it can be improved.
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Consequently, the brain makes better use of the visual information it receives.
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Interestingly, games that best improved contrast sensitivity were unpredictable and required aiming at various targets while distinguishing friend from enemy before shooting.
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This demands consistent alertness and analysis of what's happening on screen.
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But was the improvement temporary or permanent?
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This was crucial to the research.
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The subjects were tested two days after the gaming period, after six months, and then two years later.
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The results confirmed the initial findings video games extend our visual system to its limits
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and the brain adapts itself accordingly the effects remain even two years after the initial gaming period is over
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these findings will be applied to contrast sensitivity in people suffering from amblyopia
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thus helping to give them stereo vision so
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that both eyes are working together and also to the elderly whose contrast sensitivity has deteriorated with age.
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In addition, the research is relevant to jobs requiring the fast, accurate processing of visual stimuli such as piloting a plane,
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scanning x -rays, and screening luggage at airports.
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Scientists are also interested in how video games can improve learning,
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so that one day developers can create games that intrinsically enhance memory, perception, and other mental capabilities.
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Number 1.
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What is poor contrast sensitivity?
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Number 2.
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What was the purpose of the research?
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Number 3.
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What was the main finding of the research study?
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Number 4.
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Which feature of the games did researchers identify as most significant?
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Number 5.
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How can this research be applied outside the medical field?
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Contrast sensitivity is the crispness of our vision.
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It enables us to see objects or colors that do not clearly stand out from their backgrounds.
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And they may even stumble in the street when they fail to distinguish a step or curb of a similarly colored sidewalk.
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Neuroscientists have been studying how certain video games can enhance your eyesight and consequently brain function.
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The results indicated that gamers who play shooter games experienced a 43 % to 58 % improvement in their contrast sensitivity.
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Consequently, the brain makes better use of the visual information it receives.
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Interestingly, games that best improved contrast sensitivity were unpredictable and required aiming at various targets while distinguishing friend from enemy before shooting.
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Poor contrast sensitivity affects the elderly and those suffering from amblyopia, or lazy eye.
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These findings will be applied to contrast sensitivity in people suffering from amblyopia,
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thus helping to give them stereo vision so that both eyes are working together.
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Thank you.
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Thank you.
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You Thank you.
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We'll be right back so

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이 레슨의 어휘와 말하기 포인트

이 말하기 레슨은 영상 “TOEFL Listening Practice”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: sensitivity, contrast, brain, poor, visual. 이 영상에는 섀도잉할 문장 66개와 단어 794개가 있습니다. 말하는 구간의 길이는 10:27입니다. 화자는 분당 약 76단어로 천천히 말해서 소리 하나하나를 따라 하기에 여유가 있습니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 76%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.

단어발음뜻
sensitivity 명사/ˌsɛn.səˈtɪv.ə.ti/민감
suffer 동사/ˈsʌfɚ/괴로와하다, 시달리다
distinguish 동사/dɪˈstɪŋ.ɡwɪʃ/구별하다
elderly 형용사/ˈɛldɚli/나이가 지긋하다
shooter 명사/ˈʃuːtəː/사수
confirm 동사/kənˈfɝm/확인하다
experiment 명사/ɪkˈspɛɹ.ə.mənt/실험
indicate 동사/ˈɪndɪˌkeɪt/가리키다
lazy 형용사/ˈleɪ̯zi(ː)/게으르다
researcher 명사/ˈɹiˌsɝ.t͡ʃɚ/연구원, 연구자
curb 명사/kɝb/연석, 갓돌
sidewalk 명사/ˈsaɪdwɔk/보도, 인도
unpredictable 형용사예측할 수 없다
gamer 명사/ˈɡeɪ̯mə/게이머
temporary 형용사/ˈtɛmp(əˌɹ)ɛɹi/일시적인

영상에 나오는 구동사

단어발음뜻
carry out 동사/ˈkæ.ɹi aʊt/실행하다, 행하다

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형영상 속 표현
현재완료진행 have/has been + -ing — 전에 시작해 지금도 계속되는 동작have been studying
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점can be treated · are processed · being updated
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보students who both · those who played · students who played

주의할 발음

  • “sh”와 “zh” 소리: contrast /kənˈt(ʃ)ɹæst/, distinguish /dɪˈstɪŋ.ɡwɪʃ/, shooter /ˈʃuːtəː/, crucial /ˈkɹuː.ʃəl/, perception /pɚˈsɛpʃ(ə)n/
  • 긴 단어 — 강세 위치에 주의: sensitivity /ˌsɛn.səˈtɪv.ə.ti/, consequently /ˈkɑnsɪˌkwɛntli/, experiment /ɪkˈspɛɹ.ə.mənt/, similarly /ˈsɪm.ə.lə.li/, visually /ˈvɪzju.əli/

한국어 화자가 어려워하는 소리:

  • /f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: suffer /ˈsʌfɚ/, confirm /kənˈfɝm/
  • /v/ — ㅂ(/b/)과 구별하기: sensitivity /ˌsɛn.səˈtɪv.ə.ti/, visually /ˈvɪzju.əli/, involve /ɪnˈvɑlv/, developer /dɪˈvɛləpɚ/
  • /z/ — ㅈ이 아니라 성대를 울리는 /s/: lazy /ˈleɪ̯zi(ː)/, visually /ˈvɪzju.əli/, lens /lɛnz/, puzzle /ˈpʌzəl/

이 영상으로 연습하는 방법

  1. 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
  2. 보통 속도로 한 문장씩 섀도잉하고, 화자의 리듬과 맞을 때까지 반복합니다.
  3. 자신의 목소리를 녹음해 원본과 비교하고, sensitivity, suffer, distinguish 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.

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