How many black dots?
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- pinkfloyd3
12
- bainbridge1
Not a .gif.
- inteliboy0
12. And now i got a headache
- moldero-1
How many can you see 'at once'
http://sploid.gizmodo.com/can-yo…
"What you’re looking at is called Ninio’s extinction illusion. There are twelve black dots evenly distributed on the grey smocking leaf pattern, but your (dumb) brain simply won’t allow you to see them all at once. What’s up with that?
It’s a variation of the scintillating grid illusion—which itself is a variation on the Hermann grid illusion. Any of these take advantage of lateral inhibition in the retina. In layman’s terms, this basically means that the stimulated light receptors in your eye can sometimes mess with the ones adjacent to them, making you see things that aren’t there, or not see things that are there.
Or, in Ninio’s own words:
When the white disks in a scintillating grid are reduced in size, and outlined in black, they tend to disappear. One sees only a few of them at a time, in clusters which move erratically on the page. Where they are not seen, the grey alleys seem to be continuous, generating grey crossings that are not actually present. Some black sparkling can be seen at those crossings where no disk is seen. The illusion also works in reverse contrast.
I can only see four dots at a time. One man reports his wife can see all twelve. How many can you see?"
- utopian0
12
- drgs0
"The fovea is responsible for sharp central vision (also called foveal vision), which is necessary in humans for activities where visual detail is of primary importance, such as reading and driving."
Everything else peripheral vision. To see the dots they have to be in the attention spot.
If you move away from the screen you will see all 12 (assuming your vision is 20/20)
- Continuity2
- haha, NURRDDD
(Pre-DS9 Cardassians were way harder)detritus - Guilty.
As.
Charged.
:DContinuity
- haha, NURRDDD
- BusterBoy1
And welcome all QBN epileptics to this thread...
- pango0
too many....
- monospaced0
I don't like this.
- Does a number on the eyes, doesn't it?Continuity
- I guess. I actually don't mind those hidden shape, cross-eyed, noise generated images usually.monospaced
- Krassy5
The dress is blue
- face_melter-2
The answer to this and pretty much any other question is: listen to Bad Brains every day.