Prática de Shadowing: The illusion that broken the internet - Aprenda a falar inglês com o YouTube
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Which of these faces appears angrier to you?
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Which of these faces appears angrier to you?
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The one on the left or the one on the right?
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Try to comment your answer before looking at anybody else's and go with your gut.
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These faces caused quite a stir when we shared them on social media,
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but it turns out that one of them is way more likely to be chosen.
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Because of the way your brain is split neurologically,
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it's the right side that processes the visual field you see on the left,
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and the left side of your brain that processes the visual field on the right.
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But the right side of your brain also contains the area involved in both facial recognition and the recognition of emotions.
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And because of that, your brain is better at processing
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and understanding emotions on the side of the face in your left visual field.
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As a result, the majority of people will see this face on the left as angrier.
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Because even though the faces are simply mirror images,
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your emotional recognition is able to process this side of the face more easily.
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Now, of course, some of you may feel the opposite,
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which says something interesting about you,
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but before we get to that,
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take a look at this soccer goal.
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I want you to take note of its speed and power.
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Now, I'm gonna play another version of it and you tell me which one you think was faster.
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As in, in which clip is the ball moving faster than the other.
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I'll play the first one again.
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And here's the second one again.
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If you said the first one felt faster,
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you're more likely from a culture that reads from left to right.
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And if you said the second one,
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you're more likely from a culture that reads from right to left.
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Of course, you might have said that they were both the same speed and just flip videos and you'd be right,
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But studies have shown that your culture and your upbringing implicate how you perceive the world.
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For example, Arabic speakers are more likely to interpret right-to-left goals as stronger,
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faster, and more beautiful than left-to-right ones,
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whereas Italians see it the opposite way.
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Your brain is always working with your history and context to shape your perception.
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Like, listen to this audio.
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It was a sunny day as a short of a girl used to talk.
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What did you hear?
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Chances are it mostly sounded like jumbled up noises with a faint hint of some words in there, potentially.
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Your brain is hard at work trying to predict and understand it,
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but now listen to this.
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It was a sunny day and the children were going to the park.
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After hearing this sentence, we can go back and listen to the original and it will sound completely different.
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It was a sunny day and the children were going to the park.
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Because your brain has more information,
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it can make accurate predictions and sense of what it's hearing.
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Speaking of information, did you know that
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if I put an object into your hand while blindfolded that your left hand would actually be better at discerning it?
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Because touch and spatial tasks have a strong role in the right hemisphere,
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studies show people are better at comparing shapes and objects in their left hand,
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and you're likely to understand that shape better in your mind compared to if you were using your right hand.
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Now imagining things in your mind is a special brain task and I want you to use it to picture an apple.
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What do you see?
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It can be with your eyes open or closed,
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but I want to know what happens for you when I say imagine an apple in your mind.
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Is it a vivid image of an apple,
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as real as seeing it in real life with its texture and imperfections,
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or maybe it's a less detailed version of an apple,
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or for some of you it may even just be an outline
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or a vague idea of what an apple could look like.
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Turns out that for around 4% of people, they see nothing.
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Literally.
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They are not able to conjure images in their mind on demand.
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In fact, a lot of people with this condition don't even realize they have it
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because they don't know that when people say picture something in your mind,
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they mean it literally.
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The condition is called aphantasia and it's one of the most fascinating things.
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But before we dive deeper into that and even more mind-boggling illusions,
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let's talk about something that everyone can perceive with today's sponsor,
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Henson, and that is a good shave.
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Let's be honest, most razors are kind of a scam,
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like cheap plastic, five-blade contraptions,
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endless subscription models, we've tried them all.
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They work just enough to pass,
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but they're like not actually good,
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and they definitely don't last.
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Which is why I switched to the Henson razor.
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It is literally made in an aerospace machine shop.
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Like the same place that made parts for a Mars rover.
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So it is in fact precise,
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but it's the results that are the most impressive.
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Henson actually teamed up with medical imaging companies to measure skin irritation.
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Not just guess, but actually measure.
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Their razor showed significantly less erythema,
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or redness and razor burn,
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compared to leading multi-blade drugstore razors.
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And they're building what might be the first clinical baseline of its kind for shaving which as a science nerd,
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I obviously think is pretty cool.
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See, most of their razors flex and bend and do a lot of tugging,
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especially as the blade wears out.
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Henson does the opposite.
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Their blade is held rigid,
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no flex, no gimmicks, just a single blade that glides through hair without tearing up your skin.
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It's engineered with a 30 degree shave angle,
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and the blade only extends 0.0013 inches,
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which is like 0.03 millimeters.
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Yeah, that's thinner than a human hair.
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It's one of those upgrades that feels minor until you try it,
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and then you're wondering like,
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why did we put up for worse for so long?
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You can visit hensonshaving.com slash ASAP
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or use the code ASAP at checkout to get 100 free blades with the purchase of a razor.
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Just make sure both items are in your cart for the coat to take effect.
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Now, back to how your mind works.
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Studies show that humans tend to fall on a scale of visualization,
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but how do we know what's actually going on in somebody else's mind?
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Like, how do we know we're not all seeing the exact same thing,
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but just describing it differently?
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Well, when a person with aphantasia is asked to visualize something on command during a brain scan,
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the visual parts of the brain don't activate in the same way as somebody with typical visualization.
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But something even more peculiar is that there is a way to trigger this brain activity in aphantasia,
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and that is with dreams.
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When we look at the brain of somebody dreaming,
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even when they have aphantasia,
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these visual areas light up,
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and they activate in basically the same way as a typical person's brain.
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Conversely, if you're reading an interesting or exciting book,
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the average person begins to sweat.
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Not like noticeably sweat, but if we're measuring you in a lab,
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we'll be able to pick up perspiration.
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Whereas people with aphantasia don't have this sweat response at all.
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Likely because they're not conjuring the imagery that is in turn creating the body's response.
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Now, if you're just finding out that you have aphantasia or that you fall on the lower end of the visual spectrum,
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don't stress, this is all just part of the normal range of human experience.
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In fact, aphantasia may be protective against certain mental disorders that are linked to negative imagery like PTSD.
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What's also really fascinating to me is
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that people with a fantasia are more likely to work in STEM fields while those with hyper fantasia,
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people who are really good at visualizing,
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are more likely to work in the arts.
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Speaking of visualizing apples, what color is this one?
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You likely said red despite the fact that it's actually gray,
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but your brain has a theory about apples
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and what color they should be and
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so your brain projects those ideas as opposed to accurately predicting the pixels on the screen.
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Kind of like if I show you this picture.
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Some of it's missing, and while you may not be conscious of it,
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if we put your brain into an MRI scanner right now,
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it would be lighting up in areas associated with the blanks,
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predicting and filling in the rest of the image.
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This reminds me a lot of the height of COVID,
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when you would meet a lot of people for the first time wearing masks,
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like you didn't actually know what their face looked like,
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and when you eventually saw it for the first time,
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it would be extremely trippy.
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Because you didn't didn't know their face,
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your brain was making a whole bunch of assumptions and predictions about how they looked,
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and once you actually saw the real thing,
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it likely didn't match those predetermined expectations.
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Now take a look at these faces.
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Can you tell me what emotion they are expressing?
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Do they look distressed and upset?
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Because all of them are actually faces of happiness.
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But without proper context, it's difficult for your brain to accurately predict their emotions.
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It's something you would expect humans should be really good at,
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but it turns out that face shape and contortions aren't always enough without more context and cues.
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When you look at this tennis player,
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you can see her happy in one moment after winning a point and disappointed in the other after losing one,
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but this is the exact same face superimposed on both bodies.
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your brain fills in the emotion based on the body posture.
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Your mind really is good at filling in information without you knowing.
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Take a look at this ticking clock for example.
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I want you to look away for a few seconds and then look back.
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I'll count you in to look back.
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Ready?
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3, 2, 1, look.
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When you first look back at the ticking hand,
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did it feel like the first tick was a tiny bit longer than the others?
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It turns out when you move your eyes from point A to point B quickly,
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your brain doesn't actually take in the information in between.
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it takes the image from point B and back fills that gap.
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So once your eyes land on the clock,
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your brain tells you that the image has been stable since it left the last spot,
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and as a result, that first tick can often feel longer than the rest.
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But even with static eyes,
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brain scans show about a 400 millisecond gap between when your unconscious brain processes information and when your conscious mind receives it.
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Your consciousness is kind of like a film,
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which seems continuous, but it's really made up of a series of 24 frames in every second.
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Ultimately, your consciousness is just pieces of information that have been filtered from your subconscious.
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Because there's so much information around you at all times,
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your conscious mind can't possibly process it all.
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And so your unconscious mind and all your different body sensors
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take in that information and basically strip it down to the most important stuff
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before it's actually sent to the conscious mind to be made understandable.
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Now, going back to the split faces,
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for those of you who see the right hand version as more angry,
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what does this mean?
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Well, there's no perfect answer.
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Old science might have said some people are more right-brained,
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some people are more left-brained,
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but that is a little outdated now.
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You really use your whole brain for most activities,
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despite some things being localized to different parts of your brain.
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Chances are, it's just another reminder of how all of our brains are unique
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and that the world as you know it may not be the same for other people.
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If you want to learn more about left brain versus right brain science and more cool illusions,
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Check out our latest Side Note podcast episode,
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I'll link it here on screen and in the description,
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or you can listen to it anywhere that you usually listen to podcasts.
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Thanks so much for watching.
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If you like these kind of videos,
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give it a like and subscribe,
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and we'll see you ASAP for some more science.
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Peace.
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Sobre Esta Lição
Nesta lição, os alunos terão a oportunidade de explorar como a percepção humana é influenciada pela cultura e pela neurologia. Você irá praticar a compreensão auditiva e a reflexão sobre como o seu cérebro processa informações visuais e emocionais. Através de exemplos práticos e interativos, como a análise de faces e a percepção de velocidade em vídeos, você será encorajado a desenvolver suas habilidades de escuta e interpretação. Ao final, você se sentirá mais confortável em discutir essas ideias e melhorar sua pronúncia em inglês.
Vocabulário e Frases Chave
- Reconhecimento emocional - A habilidade do cérebro de identificar emoções em rostos.
- Campo visual - A área que você vê em sua visão periférica.
- Percepção cultural - Como diferentes culturas influenciam a maneira como entendemos o mundo ao nosso redor.
- Previsão auditiva - A capacidade do cérebro de antecipar o que virá a seguir em uma conversa ou áudio.
- Objetos e formas - Elementos que seu cérebro processa através do toque e podem ser discernidos melhor por mãos diferentes.
- Visão em espelho - A ideia de que rostos podem parecer diferentes dependendo de como são apresentados.
- Cultura de leitura - A direção em que você lê pode influenciar sua percepção física.
Dicas de Prática
Para aproveitar ao máximo esta lição, sugerimos que você utilize a técnica de shadow speech, ou "falar na sombra". Aqui estão algumas dicas específicas:
- Escute atentamente: Ouça o vídeo várias vezes e preste atenção na entonação e no ritmo dos falantes. Tente captar não apenas as palavras, mas também a emoção e a ênfase.
- Repita em voz alta: Utilize a técnica de shadowspeaks para repetir as frases logo após ouvi-las. Isso ajuda a internalizar a pronúncia e o fluxo natural da língua.
- Grave-se falando: Grave sua prática e ouça sua pronúncia. Compare-a com a do falante nativo para identificar áreas a melhorar.
- Foque em partes desafiadoras: Se você tiver dificuldades com certas frases ou palavras, repita somente essas partes até se sentir mais confiante.
- Interaja com a cultura: Tente discutir as ideias apresentadas no vídeo com amigos ou em grupos de estudo, utilizando o novo vocabulário aprendido.
Essas práticas vão ajudá-lo a melhorar a pronúncia em inglês e a se tornar um falante mais confiante e fluente.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.
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