Ces Illusions d'Optique Vont Complètement Désorienter Votre Cerveau En Quelques Secondes

Sympa

Préparez-vous à voir votre esprit s'émerveiller avec certaines des illusions d'optique les plus impressionnantes que vous ayez jamais vues ! Ces astuces feront douter votre cerveau de ce qui est réel et de ce qui ne l'est pas. Un instant, vous jurerez regarder une image fixe, et l'instant d'après, elle semble bouger. Ou peut-être verrez-vous des formes et des couleurs qui n'existent même pas ! Tout dépend de la façon dont votre cerveau traite ce que vos yeux voient—et cela ne manquera pas de vous tenir en haleine. Alors, prenez place, concentrez-vous, et préparez-vous à explorer des illusions qui vont détourner votre cerveau en quelques secondes !  Animation créée par Sympa. ---------------------------------------------------------------------------------------- Musique par Epidemic Sound https://www.epidemicsound.com   Pour ne rien perdre de Sympa, abonnez-vous!: https://goo.gl/6E4Xna​ ---------------------------------------------------------------------------------------- Nos réseaux sociaux : Facebook: https://www.facebook.com/sympasympacom/ Instagram: https://www.instagram.com/sympa.officiel/  Stock de fichiers (photos, vidéos et autres): https://www.depositphotos.com https://www.shutterstock.com https://www.eastnews.ru ----------------------------------------------------------------------------------------  Si tu en veux encore plus, fais un tour ici:  http://sympa-sympa.com

Transcript

00:00Well, who do you see here?

00:02If you said it was one of the most popular sharks in the world, Ed Sheeran, you're right.

00:07But there is someone else hidden in this image.

00:10If you can't see this person, try to fold your eyes.

00:13Or take a few steps back from your screen.

00:16Yes, back, a little more.

00:19There you go.

00:20Now, can you see how Ed suddenly transformed into Lady Gaga?

00:25This illusion is known as a hybrid image.

00:28And it occurs when we mix the low spatial frequencies of an image with the high spatial frequencies of another image.

00:35So, depending on your point of view, you will see two different images.

00:39In simple terms, all the fine lines in this image represent Ed Sheeran.

00:44But when these fine outlines disappear, you see the big blurry image, Lady Gaga's portrait.

00:50The same effect occurs here.

00:52We all read the word Southwest.

00:54Very clearly, isn't it?

00:56But look at what happens when we make this text very, very small.

01:01Now, all we can see is the word Northeast right in front of us.

01:06Enlarge it again, and you will see that Southwest has actually never disappeared.

01:12People often see faces hidden in everyday objects.

01:15Like this pepper that looks like a Grinch, or this root that looks like a little dancer.

01:21And this bike.

01:22Oh la la.

01:24It looks like an alien playing the saxophone.

01:27This phenomenon that makes us see faces in ordinary objects is so common that it even has a name.

01:33Pareidolia.

01:35This is also why we can look at a magnificent landscape like this and see a really familiar face.

01:41Can you guess who it is?

01:43Yes, incredible.

01:45It's the unique and wonderful Beyoncé.

01:47And now?

01:49Does this face seem familiar to you?

01:51Look closely at this image and you will find the answer.

01:55So, tell me, did you spot Adele?

01:58Yes, here she is.

02:02Oh, sorry, I didn't mean to scare you.

02:05But something really strange is going on with this dinosaur.

02:08Answer in the comments.

02:10Do you see this black silhouette turned to the left or to the right?

02:14Or maybe both?

02:16Yes.

02:17That's the right answer.

02:19This dinosaur is an ambiguous type of image and it seems to turn in both directions.

02:24This effect becomes even clearer when we see the 3D version of the image.

02:28Do you see that now?

02:30The key element here is that the static and black version of the image is ambiguous in terms of depth.

02:37If we put the image on pause, the silhouette will give us the impression that the dinosaur's head is either close or far away and turned to the back.

02:46That's why our brain is so disoriented.

02:50Oh, look, here are the lovers Zendaya and Tom Holland, but in a strange form.

02:55It is clear that they share the same body, but can you tell who is holding whose head?

03:00Is Zendaya trying to bring Tom Holland closer to her or is it the other way around?

03:05Well, both answers are correct, because it is another example of an ambiguous image.

03:10Observe this image carefully and prepare to have your mind confused in the best possible way.

03:17With these green circles, I bet you can't help but see a multitude of red spheres revolving around their own little center.

03:26It's almost as if they were going side by side, isn't it?

03:29But now, hop, the green circles have disappeared.

03:32Fix the center of the image.

03:34And you will see that, although each small sphere still moves in the same way, your entire perception has changed.

03:41It looks like the pairs have suddenly formed a whole new pattern.

03:45Instead of pairs in orbit, we now have the impression of seeing two large circles of spheres intersecting, pulsating and moving around each other in a hypnotic dance.

03:56Here are three aligned cars.

03:58Which one is the biggest in your opinion?

04:01Car number 1, number 2 or number 3?

04:04Do you have the answer?

04:06If you have chosen the third one, you are not the only one.

04:09It does seem bigger than the others.

04:12But in reality, this is not correct.

04:14The answer is neither number 2 nor number 1.

04:17The three cars are actually exactly the same size.

04:20How is this possible?

04:22This is an illusion created by the angle of the image, which completely destabilizes our perception of perspective.

04:28When something is closer to us, it seems bigger to us.

04:31So when we see an image like this, our brain assumes that the cars further away must be smaller.

04:38And if there is something in the photo that makes things seem more and more distant, like the road in this case,

04:44it amplifies the effect, pushing our brain to say,

04:47wait, if this car does not shrink, it must be huge.

04:51But no, it's just an optical illusion.

04:55Have you ever seen such a weird cube?

04:57Say hello to the impossible cube.

04:59At first glance, it looks like a classic 3D cube.

05:03But the more you look at it, the stranger things get.

05:07The corners and edges are twisted in a totally illogical way.

05:11Some lines seem to go forward while others slide backwards,

05:16creating a shape that could never exist in real life.

05:19The same thing happens in this image.

05:22On the left, the two boards seem to align horizontally.

05:26But when you move your gaze to the right, the boards suddenly seem to align vertically,

05:31as if the pink was higher than the blue.

05:34The trick is to deceive your brain by making it believe that it is looking at a solid and possible object,

05:40while in reality, these impossible images break all the rules of geometry.

05:45Emma Stone is simply incredible, and her gaze is wonderfully captivating.

05:51But we can make her gaze even more hypnotic.

05:54Do you want to see that? Wow!

05:56Wouldn't we say that her eyes are bouncing directly towards you?

06:00Well, it's because of the background image.

06:03The patterns and colors give the impression that everything is moving, even if it is not the case.

06:08If you doubt it, just pause the video for a moment,

06:12and you will see that her eyes continue to get closer to you.

06:16Speaking of ocular globes, how many different colored eyes do you see here?

06:21I'll give you a little time to count them all.

06:23But I have to warn you, it's a difficult exercise,

06:26and there are probably fewer colors than you think.

06:30Well, time has passed. What is your answer?

06:34If you said 20, it's because you counted each eye as a distinct color.

06:39Or maybe you noticed that the red eye in the upper right corner

06:43is quite close to the red eye in the lower right corner.

06:46So they could be the same color?

06:49Well, let me tell you that even if you managed to spot one or two pairs of identical colors,

06:54your final answer is probably well above the correct total.

06:59Ready for the right answer?

07:01There are only five colors here, one for each column.

07:05This is a version of the illusion of Munker White.

07:09You think there are about 20 different colors in this image,

07:13because the fact of superimposing black and white lines on a shape

07:17changes our perception of colors.

07:20Now look at the center of this image. Perfect.

07:23Keep your eyes fixed on it and try not to blink.

07:26We're going to make it a little more interesting with a little bet, okay?

07:30If I can make your hand look like it's moving, I win and I can ask for a price.

07:34Otherwise, you win.

07:36But you really have to do your best.

07:39Keep focusing on the center.

07:42Now I'm going to count to three,

07:44and when I'm done, you'll look at one of your hands, okay?

07:47Here we go.

07:49One, two, three.

07:52Go ahead.

07:53Now tell me, do you feel like your hand is moving in a strange way,

07:57as if small waves were passing through it?

08:00It looks like I won the bet.

08:02And as a reward, I would like you to share this video with your friends

08:06so that they can also experience this illusion.

08:09Okay?

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