Pratica di Shadowing: Psycholinguistics: Crash Course Linguistics #11 - Impara a parlare inglese con i video
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Hi, I'm Taylor, and welcome to Crash Course Linguistics!
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Language happens thanks to the brain!
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This spongy thing sitting in our skulls is responsible for our abilities to acquire complex linguistic skills like phonology, semantics, syntax, and reading.
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It's what helps us write poems and compose texts, or get the meaning of a raised eyebrow or a string of random emojis.
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Understanding the brain helps us understand how language is produced and interpreted.
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We can point directly to the parts of our mouths and hands that are used to make language, But you can't reach in and feel your own brain.
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Luckily, over the years, people have devised a whole range of ways of looking at the brain to figure out where and how language happens.
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This is the field of psycholinguistics.
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Interest in the relationship between language and the brain really picked up in the 19th century.
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observed people with language disorders and then looked at their brains after they died.
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If damage to one part of the brain from a stroke, dementia, or a head injury correlated with a difference in the subject's ability to understand or produce language,
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the scientists could predict that there was a relationship there.
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These kinds of injuries that affect our language abilities are known as aphasia.
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Two famous kinds of aphasia discovered at the time are called Broca's aphasia and Wernicke's aphasia.
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The areas of the brain related to each kind of aphasia therefore became known as Broca's and Wernicke's area.
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You may have heard about them in a psychology or anatomy class.
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Brokaw's area is located around your left temple, and it was named after Paul Brokaw,
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a 19th century physician who noticed that people who had been injured in this part of their brain acted in similar ways.
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While they could still understand language, they could only produce maybe a handful of words, one at a time.
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Brokaw's area affected their ability to speak or sign in a fluid, grammatical way.
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In other words, it affected their ability to use morphosyntax.
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Right around the time Brokaw was making his discovery, German physician Karl Wernicke discovered that if a different part of the brain was injured, there was a totally different effect.
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So people injured in this spot, located just above your left ear, tended to talk in a way that sounded fluent and grammatical, but was nonsensical.
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Wernicke's area is associated with the meaning of language.
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But those 19th century studies were limited, and the brain is amazingly complex and flexible.
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More recent research has found that some people can majorly damage bro-cause area and never develop aphasia.
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Other people can relearn how to speak through extensive practice building on their ability to sing, which is controlled by a different part of the brain.
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These newer studies help us understand neuroplasticity, the ability of the brain to flexibly build
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and connect parts of the brain in response to injury or as part of learning.
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And though the language areas are usually located on the left hemisphere of the brain, some people's language areas are found predominantly in the right hemisphere, or spread across both sides,
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especially for left-handed or ambidextrous people.
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So the relationship between language and the brain is even more complicated than we first thought.
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Even now, errors and differences in language use can teach us about the different skills involved in language, and how they're organized inside our minds.
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We all sometimes forget a word that we know perfectly well, or accidentally swap words, parts of words, or idioms.
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What you might encounter is spoonerisms, tip of the tongue experiences, or mixed metaphors.
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These production errors tell us valuable things about how the mind handles language.
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Like, you know when you just can't quite remember a word?
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You know it, you almost have it, it's right there, You just can't retrieve it.
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This phenomenon is known as a tip-of-the-tongue experience, and psycholinguists have found that people with a word on the tips of their tongues can often recall other information about it.
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They might remember its meaning, its first letter, and sometimes how many syllables it has, but they can't quite recall the complete word.
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Signed languages also have this phenomenon, which is known as tip of the fingers, naturally.
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And signers experiencing tip of the fingers can also recall certain information about the sign they're seeking, especially the initial hand shape and location of the hand.
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They just can't recall the movement they'd need to complete the sign.
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Tip of the tongue and finger experiences can show us how our thoughts are organized,
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because we can have access to the first letter or initial hand position without having access to the remaining sounds or movement.
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Knowing a word isn't a binary state of yes or no like a computer.
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Our brains can also retain partial information.
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Production errors are so useful that psycholinguists have techniques for trying to get people to make even more of them, so that they can study those errors in a laboratory setting.
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Psycholinguists can induce tip of the tongue or finger experiences by asking people to translate words or recall proper nouns.
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Let's head to the Thought Bubble to try another psycholinguistic experiment right here.
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In a moment, two shapes are going to appear on the screen.
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Let's decide which one is called kiki and which one is called booba.
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Are you ready?
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It's more than likely you'd call the shape on the left booba and the shape on the right kiki.
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About 9 out of every 10 people make that choice.
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Experiments have repeatedly shown that we think of voiceless stops like k and high vowels like e as small, sharp, crunchy, bright, and spiky,
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compared to voice sounds like b and rounded vowels like oo, which are big, lumpy, dark, and heavy across many different languages.
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The Kiki-Buba experiment shows us that language is related to other sensory experiences.
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Yes, words are still made up of arbitrary smaller parts, but it's not completely 100% arbitrary,
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and this mapping between senses can show up in some general tendencies for naming things across language.
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One large study showed that words for nose were more likely to have a nasal sound, like m or n across many different languages.
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Marketers are very aware of these links.
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Booba wouldn't make a good name for a brand of crackers, but Kiki would, because we generally want our crackers to be crispy.
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But I'm sure Booba brand ice cream would taste much better, round and smooth and creamy.
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Despite these general tendencies, there are also language-specific differences.
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If your language doesn't have a b or oo sound, you might not think of booba as a possible word, so you might not associate it consistently with the blobby shape.
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Different languages can also label the shapes differently depending on how
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their sound systems work tone can influence how Mandarin speakers label these shapes.
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The human brain doesn't completely separate our linguistic knowledge from other knowledge of the world, and experiments like the Kiki-Buba test help show that.
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Thanks Thought Bubble!
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Or should I say Thought-Buba?
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That's one kind of psycholinguistic experiment, but it's far from the only one.
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Psycholinguists might use a priming experiment to test how closely words are related in the brain.
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They prime the participant with one word and measure the speed of their responses to other words.
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primed with the word dog and then has a faster response to cat than to other words, we might conclude cat and dog are more closely related in the brain.
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We can also use gating experiments, where we measure how much of a word a participant needs to hear
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or see until they know I'm saying park instead of part.
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Gating experiments show that sounds aren't always produced in discrete sequences like our alphabet makes them look.
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Like most English speakers will produce the the kuh sound in cube a little bit differently than the kuh sound in calm.
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Psycholinguists have even looked into such mysteries as whether swearing helps us manage pain.
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In that study, psycholinguists compared how long people could hold their hand in a bucket of ice water
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when they were allowed to swear and when they were not.
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When people were allowed to swear, they could hold their hand in the ice water for longer.
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Hmm, I'm definitely going to find a practical application for this.
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Other ways of figuring out what's going on in the brain when we use language involve using various kinds of equipment.
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Eye-tracking studies try to figure out what we're thinking about based on what we're looking at.
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Let's say we're reading a sentence like this one.
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Now, the rabbit crouched on the cushion is a totally reasonable English sentence, so that's where most people assume it's going at first.
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But then, when we get to the word seemed, we need to reevaluate.
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That's where eye-tracking shows
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that a lot of people look back at the earlier portion of the sentence to figure out what's going on.
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In this case, a structure more like the rabbit that was crouched on the cushion seemed friendly.
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Misleading sentences like these are called garden path sentences
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because they seem to lead you up a garden path of
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one interpretation before you realize there's actually a different structure going on.
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Eye tracking and garden path sentences show us that we process sentences as we're experiencing them.
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We don't wait until we've seen or heard a whole sentence before starting to figure out what's going on.
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Electroencephalography, or EEG, records the electrical activity of neurons firing through a cap of small sensors on the scalp.
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A psycholinguist might hook a person up to an EEG and say a sentence like, My favorite ice cream is chocolate and socks.
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Socks is semantically unexpected in a sentence that we assumed would be about food, so the brain reacts accordingly.
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And an EEG is especially good at indicating when a surge in electricity happens.
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So here it might map a kind of surge known as an N400, around 400 milliseconds after hearing socks.
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EEGs are quiet and relatively affordable, but they can be disturbed even by small things, like blinking.
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Plus, they're not that great at mapping where things happen in the brain.
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Functional magnetic resonance imaging, or fMRI on the other hand, is relatively precise in locating brain activity,
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getting within a few millimeters of where the activity is happening.
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It does this by measuring when there's increased oxygen in parts of the brain.
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The more neural activity you're thinking, the more blood goes to the area of the brain, And that blood brings a lot of oxygen to help those busy neurons.
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For example, a psycholinguist might have someone learn
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and recite back a few words in a made-up language to see what happens in the brain
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when we try to learn a new language.
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While fMRI is relatively precise in locating brain activity, it's less precise at when that activity is happening.
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It only gets within a few seconds, while thoughts can happen in fractions of a second.
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They're also very expensive and pretty dang uncomfortable to hang out in.
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So there's sort of a trade-off.
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EEG machines are precise about time but imprecise about space, whereas MRI machines are precise about space but imprecise about time.
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These machines, with their precise data and complex graphs, might seem like just the thing 19th century researchers like Brokaw
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and Wernicke needed to understand the link between the brain and language.
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But really, we need to approach them with just as much caution as those older experiments.
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There's still a lot of individual variation in how our brains get organized as we learn things,
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and lots of psycholinguistics work has been done with small numbers of people who speak dominant languages like English.
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So we only know a little about if and how being fluent in other languages affects what happens in the brain.
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There's always more to learn.
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See you next time when we talk about how we learn language in the first place.
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Vocabolario e note di pronuncia per questa lezione
Questa lezione di conversazione di livello C1 si basa sul video “Psycholinguistics: Crash Course Linguistics”. Le parole che ritornano più spesso: brain, language, word, sentence, experiment. Questo video contiene 124 frasi e 2031 parole da ripetere con lo shadowing. Il parlato dura 10:50. Chi parla va veloce, circa 188 parole al minuto: aspettati suoni legati e ridotti. Solo il 81% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
Le 15 parole più avanzate del video, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| aphasia sostantivo | /əˈfeɪzɪə/ | afasia, afemia |
| injure verbo | /ˈɪn.d͡ʒɚ/ | ferire, danneggiare |
| sock sostantivo | /sɑk/ | calza, calzino |
| organize verbo | /ˈɔɹɡənaɪz/ | organizzare |
| cracker sostantivo | /ˈkɹækə(ɹ)/ | cracker |
| crouch verbo | /ˈkɹaʊ̯t͡ʃ/ | accovacciarsi |
| grammatical aggettivo | /ɡɹəˈmæt.ɪ.kəl/ | grammaticale |
| imprecise aggettivo | /ɪmpɹəˈsaɪs/ | impreciso |
| neuron sostantivo | /ˈn(j)ʊɹɑn/ | neurocito |
| psycholinguistics sostantivo | psicolinguistica, psicologia del linguaggio | |
| vowel sostantivo | /ˈvaʊ.əl/ | vocale |
| fluent aggettivo | /ˈfluənt/ | fluido |
| cushion sostantivo | /ˈkʊʃən/ | cuscino |
| hemisphere sostantivo | /ˈhɛmɪsfɪə/ | emisfero |
| linguistic aggettivo | /lɪŋˈɡwɪstɪk/ | linguistico |
I phrasal verb che sentirai
| Parola | Pronuncia | Significato |
|---|---|---|
| figure out verbo | scoprire, rendersi conto | |
| make up verbo | /ˌmeɪk ˈʌp/ | comporsi |
La grammatica di questo video
Le strutture che chi parla usa di più, con le parole esatte del video:
| Struttura | Nel video |
|---|---|
| Forma passiva be + participio passato — conta ciò che accade, non chi lo fa | is produced · are known · are called |
| Present perfect have/has + participio passato — un’azione passata che conta ancora adesso | have devised · has found · have found |
| Frasi relative who / which + frase — un’informazione in più su una persona o una cosa | people who had · sing, which is · phenomenon, which is |
Pronuncia a cui fare attenzione
Chi parla usa 27 contrazioni e forme ridotte, come can't, I'm, they're. Pronunciale nella forma breve, così come le senti.
- I suoni “sh” e “zh”: cushion /ˈkʊʃən/, dementia /dɪˈmɛnʃə/, fraction /ˈfɹæk.ʃən/, caution /ˈkɔːʃ(ə)n/, variation /ˌvɛəɹiˈeɪʃn̩/
- Parole lunghe — attenzione all’accento: grammatical /ɡɹəˈmæt.ɪ.kəl/, participant /pɑːɹˈtɪsəpənt/, arbitrary /ˈɑː.bɪ.tɹə.ɹi/, ambidextrous /ˌæm.bɪˈdɛk.stɹəs/, electroencephalography /əlɛktɹəʊɛnsɛfəˈlɒɡɹəfi/
I suoni difficili per chi parla italiano:
- Consonante finale — senza aggiungere una vocale dopo: sock /sɑk/, organize /ˈɔɹɡənaɪz/, crouch /ˈkɹaʊ̯t͡ʃ/, imprecise /ɪmpɹəˈsaɪs/, fluent /ˈfluənt/
- /æ/ — più aperta della “e”: cracker /ˈkɹækə(ɹ)/, grammatical /ɡɹəˈmæt.ɪ.kəl/, rabbit /ˈɹæbɪt/, ambidextrous /ˌæm.bɪˈdɛk.stɹəs/, semantics /sɪˈmæntɪks/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
- Registrati e confronta con l’originale, facendo attenzione a parole come aphasia, injure, sock.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.