Optical Illusions and the human brain.

[Evil Austin]

^ lol I made it about to the second black COLOR where it says Orange and I said the wrong one. That's hard.

C4 -- The sign one where you said you don't know what it does, if you read closely it has two "THE's" and it asked can you read it properly and I failed about ten times before I realized lol.

 

[Solid Stinger the Big Boss]

The The Springtime?

 

[C4]

Right side up it's a giant bird

Upside down it's a guy catching a big fish...
Try to concentrate.

Is it moving and shimmering?

Look at this illusion for a while and it will
appear to be shimmering and moving.

Also: Follow the outermost groove and watch it
change from a groove to a hump as you go around the wheel.

 

[Solid Stinger the Big Boss]

This one is amazing.

Short-Circuit Your Brain

Look at the chart above and say the COLOR of the word,
not the word itself.. WITHOUT PAUSING.

Why is it so difficult? Because the right half of your brain
is trying to say the color, while the left side of your brain
is trying to say the word.

Mind fuck, I almost lost it. Never saw this one before. I need to show one of my friends this.

 

[JurassicBonez]

The one with the dots and squares is pretty good. And the short circuit your brain one, I got my little brother to do that a while ago. And he started crying because he kept getting confused and said I was tricking him. He was n the 4th grade maybe 3rd.

 

[Evil Austin]

lol Stinger, you haven't seen any iillusions that I have seen. Most of these are old like the color, Jesus, dot ones.

And here is another one.


Besides my Jesus one, my second favorite.

How Many Legs does the Elephant have?

 

[Solid Stinger the Big Boss]

I don't look into this stuff like that. I've saw the Jesus one on youtube back in 2006. I also saw some other one with a grey and white tiles, but I believe the grey tile was actually white.

You probably have seen more then me.

 

[JurassicBonez]

lol that Elephant one is freaky. When I was Scrolling down defore I read it, I said "What the hell is wrong with that things legs?"

 

[Evil Austin]

Yeh probably, I went through a faze in year 7 back in 06' that I was really interested in optical illusions and for about two months I was looking more and more up. Then I just got bored from it.

Edit - To Stinger.

Oh and lol at you, me, Jurrasic, and C4 have been posting here for the past ten minutes lol. Good thread.

You can imagine it going both ways can't you? or is that just me?

 

[JurassicBonez]

Alright, now that Farris Wheel I can actually see going both ways alot better than the previous one with the spinning girl.

 

[Evil Austin]

^ Stare at it (the plus) and then take your concentration off of it for a second. is the dot green or invisible

which way is the floor board bent? up or down?

 

[C4]

Count the "f"s in this passage;

http://bfc.positscience.com/images/brain_cool2.gif

FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS

How many did you count?
There are actually 6 “f”s, but most people only count 3. Why? It seems that the brain has trouble correctly processing the word of. The letter “f” usually makes the /f/ sound, like in fox. In the word of, though, it makes the /v/ sound. As a result, the brain overlooks the word of as it scans for the sound of /f/.

And another one,

I'M GOING CRAZY!

Sit so your eyes are about 8 inches from the screen. Look at the center of the animation and pay careful attention to the direction the red dots appear to moving.

http://www.npr.org/programs/atc/features/2004/may/illusion/illusion.html

Step 2: Still sitting with your eyes about 8 inches from the animation, now look at a point about 1 inch from the left hand edge of the screen and note which direction the red dots are now moving.

What You Should See: In step 1, all the red dots in the entire animation appear to be moving down, and the green dots appear to be moving up. In reality, the screen is broken into three columns. In the center column, the red dots are indeed moving down, and the green dots up. But in the other two columns, to the left and right of center, the direction of the dots is reversed.

The Illusion Explained: What's happening is an example of a "binding problem" in the brain. Typically, color and movement are thought to be processed by different parts of the brain. But a red ball rolling across a table looks like a red ball rolling across a table because the brain puts the movement and color information together to form a coherent perception.

The brain is trying to do that in this illusion; it's incorrectly binding color and motion so it can tell us that all the red dots are moving in the same direction throughout our "world," in this case the animation display. The illusion breaks down if you stand several feet away from the monitor, and watch the illusion (a long mouse cable or a friend is necessary to do this.)

 

[MikeRaw]

That dot one is crazy, and that word one is pretty tricky as well.

 

[Evil Austin]

Hey C4 the first pic is a red X to me?

 

[C4]

Hey C4 the first pic is a red X to me?

It's fine for me.

Can't blame you though, the optical illusions are torturing your brain

The McGurk effect.

Close your eyes, play this movie, and listen. Open your eyes, replay and listen again. Is he saying "ba ba" or "da da"? It's called the McGurk effect.

[YT]aFPtc8BVdJk[/YT]

What do you see in this picture?

Some people immediately see a vase or trophy (in white). Others see two faces in profile (in black). Generally, we can switch back and forth between perceiving one and the other.

This illusion is interesting because it shows that perception is not solely determined by an image. It’s also crucial that the brain be able to separate objects from background—which, as in the picture above, can be tricky. Which is the object here, the vase or the faces? Which is the background? The spontaneous reversal between object and background illustrates the dynamism of perception.