Well, what?

What?

Hello and welcome to another episode of the lab where we take your questions and turn them into experiments.

My name is Greg and I'm Mitch.

And today we're gonna be talking about cruel illusions and why we love them so much.

So we're gonna be doing a bunch of weird stuff to our brains and yours.

Let's start off with the thing that humans do really well.

Our brains have evolved to pick up pattern.

So, for example, there's a tiger hiding in amongst grass and it's camouflaged like my coat.

Then what will happen is that our brains will be able to actually focus on the important aspects and see the tiger.

And obviously this makes sense.

Our brains have evolved to do this because it helps us evolutionarily.

Interestingly, your brain actually wants to ignore all the other information.

It's receiving so much, and it's trying to pick out what's important and what's not.

And so the stuff that's not it tries to get rid of.

So this illusion is gonna be called spot.

The difference.

We haven't actually seen these images yet, but basically it's gonna be a flashing image.

And each time it flashes, one thing changes back and forth, and we've got a spot.

What?

That thing is about the difference.

Okay, we've got, uh, Vietnam or something.

What?

Oh, what is it?

Someone in the helicopter?

It's funny, cause once you see, it's like all you can see, It's like I'm just like I do not see it, but oh, the shadow shadow.

Yeah.

Mike.

Okay, so that a minute.

Let us.

How long these take you in the comments?

Who tour is spotted already?

There in France.

No fare paying out there in New York.

See, this is why I shouldn't be, you know, like, find anything.

That Yeah.

I'm like, Oh, cool image.

I cannot see anything like a pattern in defense.

No.

Oh, decide.

That's weird.

But it took me so long.

What?

I'm not good at this.

What does that mean?

I'm like, I would have died.

I was like a primitive human.

I've just been like, Oh, that's a cute thing.

Was interesting because there's so many faces and things that you would expect to change.

Like people walking your brain is like, Are they moving the light is something that could change.

The cars could be moving, but it's something that you don't necessarily always anticipating your brains, actually making these assumptions that these are the things that make sense to move on.

My I automatically goes to the words and people.

Okay, I give up.

Okay.

It's on the car.

The window, like the reflection on that is changing back for us.

Oh, my God.

Yeah, That was, like discrete, cause it wasn't.

I'm surprised you even saw next year gift.

Okay, Got a nice boat.

All these images from the 900.

So my brain is no working, no house.

You haven't tried.

My brain is right now going to you probably look at the human or look at the words look of the things that's evolutionarily wanting to do.

But I know this is an illusion.

And so I need to try and find the things that probably won't move because I have learned Oh, the blue box on the screen disappears and they do really go down because the water is behind it.

So it's a natural piece that goes, I guess that's part of the solution in that it's replaced by something that seems normal.

Yeah, those illusions work because their brains have evolved to focus on things that they think are important and, in fact leaving and making assumptions about all the things that Dean's as not important.

So now it's time to take a look at how our brain makes some wrong assumptions.

We have a variation of something called the MWR illusion, and so if we stick these together, you'll start to see something happen.

So in this optical illusion, you actually see six different, somewhat similar dinosaurs as one static image.

But as soon as you put this grid over top, your brain is tricked into thinking that it's one dinosaur that's moving.

So actually, when they first thought of the concept of film and entertainment for us humans, there was nothing on a zoetrope which essentially was a static, was static images that were in this, like, circular little machine that would spin and it would create movement.

So the this would've been the first ever drastic part people would have lined up with popcorn, just like war.

It's all trick in your brain.

Okay, so we are here.

You show off, we're gonna do some more tricks to your brain.

So let's go on inside you is maybe most famous for their games.

Assassin's creed and splinters.

I understand and just dance lots of good games games.

But what's most exciting is this motion capture system where they're able Thio suit us up and then track all of our movement, too.

Be in sync with the characters on screen right now.

Booth Fashion.

Do it spin.

I honestly feel like yours Super into this, and I think of it for gloves in the John and I.

We're good to go.

You just switch spots.

Exactly.

Wait, but Greg points, you're gonna redo some of those actions for information, and I see you still tell you that's a bad first emotional intelligence.

So there's just all showing you in detail.

How amazing and adapted in the walls start to be able to look at the typical dot patterns.

And, no, that's a human.

It's really important to bring people.

It's amazing how your brain creates.

Show me something you can see so much for your sake.

Even if you don't see the full human, you can like hell to make quickly make assumptions so you don't have to sit there thinking about every little thing.

And you could just understand your environment in an instant.

It was awesome.

I could not.

It was so fun.

Yeah, a wearing These is super cool.

I feel like superheroes.

We're going on a movie text over the name.

Seeing the actual experience of the stuff up on the screen and recognizing how little is necessary was really awesome.

So now we're going to train my brain to make some new assumptions with this little rig we've got going.

So yeah, this is obviously a fake and a good intel on this is Mitch Israel Hand.

And if I touch the same parts of the fake and as his real hand, I'm actually able to trick his brain to actually a new experience.

And then he'll make some different weird assumptions and essentially start to feel things in the stake hand.

And also the fingers are attached to my fingers.

So I kind of can create the sensation that I'm in control of his hand.

I can't see my hand.

It also Oh my gosh, that's so weird.

As I'm looking at it now, it's starting to feel like that.

He's actually touching my hand and that this is what's feeling the sensations inside.

Hey, what you doing?

That's so weird.

Okay, so we've been doing this long enough that I honestly like I know in my brain it's not really my hand, But there's something about it that it just I don't feel I feel like I have I projected my physical touch on to this hand.

Oh.

Oh, my God.

What I really did it scared me.

You didn't when you stab it, I didn't feel like I feel a sense that I had the fear that it was going.

So I feel like that.

Anticipation of pain I felt.

But then, obviously, I didn't feel like you stabbed my hand with an exact Not really, you know, like I was stabbing you, it was gonna find Yeah, well, cathartic release word right now.

That was really amazing.

I highly suggest this is such a simple rig.

If you guys at home if you This is just like a Halloween fake hand, we got a cardboard box.

Just attach these fishing wire s Oh, absolutely.

I recommend Just trick your brain.

You have to hide your own hand and make this set up and you could do it at home.

Now it's time for this week in science.

Theo Idea that wearing strong perfume contract mosquitoes may be a myth.

Researchers studying effective alternatives to deat found that Victoria Secret's bombshell perfume was actually almost a CZ good as its deep counterparts.

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And if you actually wear this scent, you're probably used to people fleeing smells really bad.

Some good news for our closest relatives, the chimpanzees.

98% of our DNA is the same as our primate relatives, and the National Institute of Health has decided to stop their my medical research pond chimpanzee.

As a result, 50 chimpanzees are scheduled to be released to animal sanctuaries with no nutritional attributes in the source of 1/3 of all the sugar intake in the U.

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There's a lot of reasons why you shouldn't be drinking.

So So here's another reason why it's a huge waste of water for every leader of soft drink produced, there's between 342.

620 liters of water used to create it.

Thanks for watching another episode of the lab.

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