Moving After Image Spiral Illusion, (MAISI)

[FlossingWithCandy]

What the experts say (Ron Hipschman from EXO)

Maybe it has to do with the AVERAGE brightness at any given point that then results in the afterimage one sees. That's hard to measure with the complexity of the pattern on the screen.

Interesting theory, the measurement is quite easy to do by computer.. I'll think about it.

Ron

[FlossingWithCandy]

What the experts say (Robert Ausbourne (3)):

The sense of movement is an "echo" of the pattern's movement. Without movement this particular illusion doesn’t work.

People often say they’ve seen this effect while watching parades – which is quite believable. A marching band in precise formation, moving at a steady pace and all dressed alike, may appear to take a couple extra steps when they stop. Especially if you happen to be employing the “million-mile

Thanks ROBERT!

[FlossingWithCandy]

What the experts say (Robert Ausbourne (2)):

The effect has to do with specialized high contrast photo sensors in our eyes which help us work in black and white. If we stare at the moving pattern fixedly and then look away, the set of sensors we just used get depleted of their photo chemicals - temporarily. In the short time it takes the sensors to replenish they doggedly continue to "echo" weak signals to the brain. These "echo's" are what cause the boiling effect we see in after image.

[FlossingWithCandy]

What the experts say (Robert Ausbourne form sandlot science, 1):

This illusion was first documented by the Greek Philosopher Aristotle.  He claimed that he noticed the effect while gazing at a waterfall.

[FlossingWithCandy]

What the experts say Erwin from panopticum:

I think we try to compensate the turning. Therefore the direction of

movement when we look away is inverse to the original.

Greetings from Bavaria,

Erwin

[hapytoast12]

the room was in a spiral type thing.

[BeastCoDFilms]

WOW

[misscrazychloe171]

Me eyes got tired but it still worked :)

[MrPyroManiacMan2]

Wow, that is amazing! I saw the after image, and I seriously have never felt more of balance!

[lostinmagic]

Cool illusion! I nearly fell down!