Shake Your Head

Twista

Diamond Member
Jun 19, 2003
9,646
1
0
Im bored :mad:

tumblr_lra3pbYTxf1qli7bzo1_500.png
 

Locut0s

Lifer
Nov 28, 2001
22,205
44
91
^^ this.

Try closing one eye. The effect totally disappears, unless you are at an angle to the image. Or stand way back from your monitor. The face is now very clear.
 

yhelothar

Lifer
Dec 11, 2002
18,409
39
91
Good ol illusion demonstrating the powers of retinal lateral inhibition. Essentially, the retina has inhibitory inputs to adjacent retinal cells to prevent signalling errors. This is so that the signal from one cell won't mistakenly spread to adjacent cells.
http://serendip.brynmawr.edu/bb/latinhib.html

Here's another one that demonstrates its effects
&
 
Last edited:

olds

Elite Member
Mar 3, 2000
50,124
779
126
Good ol illusion demonstrating the powers of retinal lateral inhibition. Essentially, the retina has inhibitory inputs to adjacent retinal cells to prevent signalling errors. This is so that the signal from one cell won't mistakenly spread to adjacent cells, and thus increasing signal to noise ratio.
http://serendip.brynmawr.edu/bb/latinhib.html

Here's another one that demonstrates its effects
HermannGrid.gif
What am I supposed to see?
 

yhelothar

Lifer
Dec 11, 2002
18,409
39
91
You're supposed to see black circles fading in and out in the white gridlines as you look around the image.
 

Locut0s

Lifer
Nov 28, 2001
22,205
44
91
Good ol illusion demonstrating the powers of retinal lateral inhibition. Essentially, the retina has inhibitory inputs to adjacent retinal cells to prevent signalling errors. This is so that the signal from one cell won't mistakenly spread to adjacent cells.
http://serendip.brynmawr.edu/bb/latinhib.html

Here's another one that demonstrates its effects
HermannGrid.gif

What's the illusion here? If I star at it long enough I start to see circles at the intersections of the white lines, I think I've seen that in some other illusion before. It also occasionally seems to have depth to it. Is there something else I'm supposed to see?