The "Vus" explained: Deja vu, jamais vu, presque vu

The Vus explained; deja vu, jamais vu, presque vu, along with a couple other neurological phenomena.
swedishfriendsays...

When I have Deja Vu I not only feel I recognize the situation but sometimes I'll remember what is coming next and then it actually happens in real life. I was in a new job and all of a sudden there's an announcement to meet on the factory part of the building for a monthly meeting. I had no idea this was coming, no-one ever told me anything about these meetings. When I sat down and one of the bosses started talking I had Deja vu where I remembered everything about the situation even what the guy was going to say next and that I will be eating free pizza in a few minutes and all of it happened just like I remembered. This has only happened to me a few times in my life. I have deja vu a few times a year but usually I cannot remember what will happen next.

TheFreaksays...

Forget deja vu, that description of Blindsight might explain one of the strangest things I've ever experienced.

I suffer occular migraines periodically. Generally, when that happens I get a blind spot that grows until my entire vision is gone, then after several minutes it clears up. The process takes about 20-40 minutes from beginning to end.

Well...one day I'm playing Halo online with friends and between games I begin to get an occular migraine. So I let everyone know I might end up running into walls for the duration of the next game. By midpoint of the game I'm completely blind. When the game ends I'm chatting with my friends on my team about the experience of losing my sight like that when someone says, "well for a blind person you played awfully well". Huh? So I have them tell me my score and I was top scorer in the game. Which is when it occurs to me that, even though I was fully blinded for the majority of the game, I never stopped playing.

So at one level I'm perceiving myself as totally without sight, while at another level I'm still moving and reacting, with great precision, to visual input.

Go figure.

swedishfriendsays...

Do you see black or is it more like there is something missing? I get that sometimes. I might be reading and suddenly for some reason I cannot make out the words in the middle of my vision. But it isn't blurry or black or bright or anything. It is just missing. It feels truly weird and it is hard to explain because how can there be nothing in just part of my vision without there being a hole there or a dark spot or something! Like if you look at a painting that is missing a part you can see a shape around the hole, you can see something on the other side. Having part of what you see be just missing without any artifact, it just feels slippery in a way. Like my mind just cannot process that part right now and in its place there is nothing, not even a gap.
>> ^TheFreak:

Forget deja vu, that description of Blindsight might explain one of the strangest things I've ever experienced.
I suffer occular migraines periodically. Generally, when that happens I get a blind spot that grows until my entire vision is gone, then after several minutes it clears up. The process takes about 20-40 minutes from beginning to end.
Well...one day I'm playing Halo online with friends and between games I begin to get an occular migraine. So I let everyone know I might end up running into walls for the duration of the next game. By midpoint of the game I'm completely blind. When the game ends I'm chatting with my friends on my team about the experience of losing my sight like that when someone says, "well for a blind person you played awfully well". Huh? So I have them tell me my score and I was top scorer in the game. Which is when it occurs to me that, even though I was fully blinded for the majority of the game, I never stopped playing.
So at one level I'm perceiving myself as totally without sight, while at another level I'm still moving and reacting, with great precision, to visual input.
Go figure.

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