WHAT IS THIS CALLED?

nah

>>8785528
Death.

>>8785528
It's called The Void.

Enter it.


("Doooooo doo doo-doo d'doo")

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>>8785550
Forgot pic

>>8785528
its trance.

I get this too, bump for curiosity.

I found it works bests with tree's against the blue sky.

>>8785528
I know what you mean, but never cared enough to search for a name of the effect. When I was young I thought it was me controlling my pupil size, making them smaller, seems unlikely now.

Related, ever been in a very dark room staring at a small red light and see a blue glow/blue lightning near your blind spot? I need the name of that, I know there is a wikipedia page about it where I learned it and then tested it, but cant find it.

It's your eyes and brain getting bored with seeing the same unchanging scene and starting to filter them out. When you move your eyes the scene changes and the filtering goes away.

Seems from wikipedia that this anon >>8785575 is right
>https://en.wikipedia.org/wiki/Stabilized_images

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>>8785575
This.

Your peripheral retinas are predominantly rod-shaped photoreceptors, which are stimulated by light intensity. When you focus on a single space in the dark, your peripheral rods, not receiving any intense input, begin to get inhibited. This extremely reduces the salience of anything in your peripheral visual field.

As for why it appears as a black aura radiating out from your focal point, I'd guess it's because of this: your fovea (central retinal area with its own unique physiology that corresponds to your focal point) is receiving more visual stimulation than your periphery. As with all retinal cells, its excitation has a secondary function: inhibiting neighbouring retinal cells through the use of a interwoven network of horizontal bipolar cells. This allows for the objects in your focal point to become more salient.

Since no other neighbouring retinal cells are receiving stimulation (again, because of the darkness), their salience is extremely reduced as the horizontal bipolar cell signal cascade advances from the fovea to the outer edges of the visual field.

And since the visual cortex receives no excitatory information from these areas of the visual field, it scrambles a bit to make sense of what the eyes are seeing in thsee areas. This could be what gives you the perceived blackness and eeriness of this void.

As for why it disappears when you move, the anon I'm replying to put it best

Is it really black for you guys? When I do it (in the daylight) everything fades to a fairly light grey.

>>8785635
It's all dependent on what kind of stimulation your peripheral visual field is getting