Shadowing-Übung: TOEFL Listening Practice | Lecture | Poor Contrast Sensitivity - Englisch Sprechen Lernen mit Video

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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.
57
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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Wortschatz und Sprechhinweise zu dieser Lektion

Diese Sprechübung basiert auf dem Video „TOEFL Listening Practice“. Diese Wörter kommen am häufigsten vor: sensitivity, contrast, brain, poor, visual. Dieses Video enthält 66 Sätze und 794 Wörter zum Nachsprechen. Der gesprochene Teil dauert 10:27. Der Sprecher spricht langsam, etwa 76 Wörter pro Minute, sodass genug Zeit bleibt, jeden Laut nachzuahmen. Nur 76 % der Wörter gehören zu den 3.000 häufigsten im Englischen, der Wortschatz ist also anspruchsvoll.

Wichtiger Wortschatz in diesem Video

15 lernenswerte Wörter aus dem Video, mit Aussprache und Bedeutung:

WortAusspracheBedeutung
contrast Substantiv/kənˈt(ʃ)ɹæst/Kontrast
sensitivity Substantiv/ˌsɛn.səˈtɪv.ə.ti/Sensitivität, Sensibilität
suffer Verb/ˈsʌfɚ/leiden
distinguish Verb/dɪˈstɪŋ.ɡwɪʃ/unterscheiden
elderly Adjektiv/ˈɛldɚli/älter, bejahrt
shooter Substantiv/ˈʃuːtəː/Schütze, Schützin
enhance Verb/ɪnˈhæns/erhöhen, vergrößern
confirm Verb/kənˈfɝm/bestätigen
experiment Substantiv/ɪkˈspɛɹ.ə.mənt/Experiment, Versuch
indicate Verb/ˈɪndɪˌkeɪt/anzeigen, anweisen
enable Verb/ɪˈneɪ.bəl/(jemanden) berechtigen, befähigen
similarly Adverb/ˈsɪm.ə.lə.li/ähnlich
lazy Adjektiv/ˈleɪ̯zi(ː)/faul
researcher Substantiv/ˈɹiˌsɝ.t͡ʃɚ/Forscher, Forscherin
curb Substantiv/kɝb/Bordstein, Randstein

Phrasal Verbs, die du hören wirst

WortAusspracheBedeutung
carry out Verb/ˈkæ.ɹi aʊt/raus tragen

Grammatik in diesem Video

Die Strukturen, die der Sprecher am häufigsten verwendet, mit den genauen Worten aus dem Video:

StrukturIm Video
Present Perfect Continuous have/has been + -ing – eine Handlung, die früher begann und noch andauerthave been studying
Passiv be + Partizip Perfekt – wichtig ist, was geschieht, nicht wer es tutcan be treated · are processed · being updated
Relativsätze who / which + Satz – eine Zusatzinformation über eine Person oder Sachestudents who both · those who played · students who played

Aussprache, auf die du achten solltest

  • Die Laute „sh“ und „zh“: contrast /kənˈt(ʃ)ɹæst/, distinguish /dɪˈstɪŋ.ɡwɪʃ/, shooter /ˈʃuːtəː/, crucial /ˈkɹuː.ʃəl/, perception /pɚˈsɛpʃ(ə)n/
  • Lange Wörter – auf die Betonung achten: sensitivity /ˌsɛn.səˈtɪv.ə.ti/, consequently /ˈkɑnsɪˌkwɛntli/, experiment /ɪkˈspɛɹ.ə.mənt/, similarly /ˈsɪm.ə.lə.li/, visually /ˈvɪzju.əli/

Laute, die Deutschsprachigen schwerfallen:

  • /w/ — mit runden Lippen, nicht wie das deutsche „w“ (/v/): distinguish /dɪˈstɪŋ.ɡwɪʃ/, consequently /ˈkɑnsɪˌkwɛntli/, sidewalk /ˈsaɪdwɔk/
  • Stimmhafter Auslaut — /b/, /d/, /g/, /z/, /v/ am Wortende nicht verhärten: curb /kɝb/, extend /ɛkˈstɛnd/, involve /ɪnˈvɑlv/, lens /lɛnz/, luggage /ˈlʌɡ.ɪdʒ/
  • /æ/ — offener als „ä“: contrast /kənˈt(ʃ)ɹæst/, enhance /ɪnˈhæns/, naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, scan /skæn/, adapt /əˈdæpt/

So übst du mit diesem Video

  1. Höre dir das ganze Video einmal an, ohne zu sprechen, und notiere die Wörter, die du nicht kennst.
  2. Sprich Satz für Satz in normaler Geschwindigkeit nach und wiederhole jeden, bis dein Rhythmus zum Sprecher passt.
  3. Nimm dich auf und vergleiche mit dem Original; achte dabei auf Wörter wie contrast, sensitivity, suffer.

Was ist die Shadowing-Technik?

Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.

Shadowing-Technik: die vollständige Schritt-für-Schritt-Anleitung lesen →