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Do You See the Little Spots?

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Re: Do You See the Little Spots?

Postby anador » Tue 29 Nov 2011, 11:34:32

is this closer to what you see?

Visual Snow?

http://en.wikipedia.org/wiki/Visual_snow
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Re: Do You See the Little Spots?

Postby Heineken » Tue 29 Nov 2011, 12:02:24

$this->bbcode_second_pass_quote('PrestonSturges', 'I') think that's random nerve activity of any organ, it's just that the eyes provide a visual representation of what is usually below our threshold of detection. My guess is that it's in the visual part of the brain rather than the actual retina.



Agreed. It's neurological activity, not what's actually there.
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Re: Do You See the Little Spots?

Postby Heineken » Tue 29 Nov 2011, 12:04:09

$this->bbcode_second_pass_quote('anador', 'i')s this closer to what you see?

Visual Snow?

http://en.wikipedia.org/wiki/Visual_snow


I couldn't see anything special in the pic, Anador. The article itself seems to describing a pathological condition. I don't think that's what this is. I think it's normal---the background "radiation" of vision.
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Re: Do You See the Little Spots?

Postby Timo » Tue 29 Nov 2011, 12:12:45

Interesting quest. When i look into a dark space, or any lit space, for that matter, i do see something superimposing itself over the object that i'm looking at, but rather than spots, i'd describe it more like snow, like looking at a TV screen that's not tuned in to any channel. Perhaps the biggest reason i find this interesting is that a little over two years ago i fell 20 feet, landing head first on concrete, split my skull in two, and yada-yada. Fortunately, though, 2009 in my mind never happened. Poof! No memory of anything for a long time, before or after. I'm still only 29! But, my wife tells me that i had double vision for about 6 months afterward, and i also have a lot of those floaters swimming around in front of me. Quite frankly, i attributed the snow as simply a result of that brain trauma. Maybe not, though. Assuming we're talking about the same visual, however, what's your point? What's the cause/object that you're suggesting? Is it medical/neurological, or something else?
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Re: Do You See the Little Spots?

Postby dinopello » Tue 29 Nov 2011, 12:14:27

$this->bbcode_second_pass_quote('Heineken', 'I') think it's normal---the background "radiation" of vision.


In my business we call it "shot noise". You can google it!
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Re: Do You See the Little Spots?

Postby MD » Tue 29 Nov 2011, 12:17:02

$this->bbcode_second_pass_quote('anador', 'B')ut yeah... Kaleidescopic Television Snow, might be how I would call it


I compare it to cloud watching at high speed, and it is definitely relaxing, or comforting, if you will. Puts me right to sleep, every time.
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Re: Do You See the Little Spots?

Postby ian807 » Tue 29 Nov 2011, 12:46:40

$this->bbcode_second_pass_quote('Heineken', 'M')y guess is that they are an artifact of our nervous and visual systems. Or maybe I've gone mad.

They're called "phosphenes" (http://en.wikipedia.org/wiki/Phosphene). They're perfectly normal. Your nervous system, including the optic nerve produces a certain amount of signal "noise" to maintain function. You may be mad, but seeing phosphenes is not an indicator of such.

When I was a kid I used to stare at them for about 10 minutes until my eyes involuntarily started to focus at a distance and I'd get a visual impression of infinite space. Useless, but fun for a 15 year old.

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Re: Do You See the Little Spots?

Postby PrestonSturges » Tue 29 Nov 2011, 13:22:01

Strangest visual thing that ever happened to me was left and right eyes got out of synch and I could hardly stand up because I had wildly swinging double vision. I focused one eye on the doorknob, and eventually both eyes got back on track. I never figured it out, and it never happened again.
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Re: Do You See the Little Spots?

Postby careinke » Tue 29 Nov 2011, 14:04:39

I've always seen phosphenes, I thought everyone did. I can also see heat, it is kind of purplish/red, I think it is probably the top end of the infrared. Lastly, I seem to have a mild case of Synesthesia. The letter l looks green, and a double ll looks blue. It never bothered me, so I ignored it. Last year I ran across an article about it and discovered it had a name.

Have you ever wondered if the blue you see is the same blue that someone else sees? Perhaps that is why some are better at fashion design or art. I suck at both.
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Re: Do You See the Little Spots?

Postby Heineken » Tue 29 Nov 2011, 14:08:49

$this->bbcode_second_pass_quote('ian807', '')$this->bbcode_second_pass_quote('Heineken', 'M')y guess is that they are an artifact of our nervous and visual systems. Or maybe I've gone mad.

They're called "phosphenes" (http://en.wikipedia.org/wiki/Phosphene). They're perfectly normal. Your nervous system, including the optic nerve produces a certain amount of signal "noise" to maintain function. You may be mad, but seeing phosphenes is not an indicator of such.

When I was a kid I used to stare at them for about 10 minutes until my eyes involuntarily started to focus at a distance and I'd get a visual impression of infinite space. Useless, but fun for a 15 year old.

Cheers!


Ian, I carefully read the Wiki description of phosphenes. I don't think phosphenes are what I'm "seeing," since "mechanical, electrical, or magnetic stimulation" isn't involved (I'm familiar with those phenomena). I can see them with my eyes open while looking into a dark corner, or at something dark indoors, and even while looking at lighter objects. Strong light tends to tone them down.

They seem to form sort of the ground substance of the visual field.

My vision is very good; I don't think I have any pathology or strange issues. I think that everyone sees these things but isn't aware of it. They're there, but you're so used to them that you have no awareness of them.
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Re: Do You See the Little Spots?

Postby Heineken » Tue 29 Nov 2011, 14:15:47

$this->bbcode_second_pass_quote('MD', '')$this->bbcode_second_pass_quote('anador', 'B')ut yeah... Kaleidescopic Television Snow, might be how I would call it


I compare it to cloud watching at high speed, and it is definitely relaxing, or comforting, if you will. Puts me right to sleep, every time.


So, MD, you know exactly what I'm describing? Have you ever contemplated this phenomenon? Ever described it to someone else, and gotten mixed responses?
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Re: Do You See the Little Spots?

Postby ian807 » Tue 29 Nov 2011, 14:50:30

$this->bbcode_second_pass_quote('Heineken', 'I')an, I carefully read the Wiki description of phosphenes. I don't think phosphenes are what I'm "seeing," since "mechanical, electrical, or magnetic stimulation" isn't involved (I'm familiar with those phenomena). I can see them with my eyes open while looking into a dark corner, or at something dark indoors, and even while looking at lighter objects. Strong light tends to tone them down.

They seem to form sort of the ground substance of the visual field.

My vision is very good; I don't think I have any pathology or strange issues. I think that everyone sees these things but isn't aware of it. They're there, but you're so used to them that you have no awareness of them.

Well, I always assumed they were phosphenes. The electrical activity in this case, just happens to be in your nervous system. The fact that they don't change in relation to external circumstances indicated that. Floaters are another matter, but they're obviously different. You're correct though. They're there all the time as a "ground substance of the visual field", but most people have habituated to them and cognitively filter them out as noise. Perceiving them is a matter of retraining your visual attention slightly. Staring at an empty blue sky is a nice way to do that, as I recall from my more leisurely teenage years.

They're not very useful though. I use them as a ballpark measure of central nervous system arousal. An additional cup of coffee or two, or any stimulating drug, changes the "look and feel" of them (i.e. more frequent, faster, a few more colors). Hallucinogens boost phosphene production too, and the concomitant reduction of inhibitory pathways will form them into pictures if you look a while. Other than that, I've never been able to get anything useful out of them.
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Re: Do You See the Little Spots?

Postby Heineken » Tue 29 Nov 2011, 17:27:01

Good comments, Ian. Yes, maybe they are phosphenes, and the Wiki definition is a bit off, or not sufficiently inclusive.

I haven't noticed any effect of caffeine on them, and I wouldn't know how to get hold of hallucinogens. :)
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Re: Do You See the Little Spots?

Postby MD » Wed 30 Nov 2011, 07:48:35

$this->bbcode_second_pass_quote('Heineken', '')$this->bbcode_second_pass_quote('MD', '')$this->bbcode_second_pass_quote('anador', 'B')ut yeah... Kaleidescopic Television Snow, might be how I would call it


I compare it to cloud watching at high speed, and it is definitely relaxing, or comforting, if you will. Puts me right to sleep, every time.


So, MD, you know exactly what I'm describing? Have you ever contemplated this phenomenon? Ever described it to someone else, and gotten mixed responses?


I believe I do, based on your reactions to various comments. I can close my eyes in any dark place and let them take on a far-look and the show begins. Spots, lights, shapes, etc.

Key difference: when you close your eyes are you trying to see the inside of your eyelid or are you looking out to infinity? Focal distance affects the outcome, for me.

I've always figured that everyone's eyes worked the same way. They just need to stop and look.

Satellite staring is another fun eyeball activity. On a clear new-moon night, lie back, stare straight up, and wait for it. See that bit of motion? Don't move your eyes! You'll lose it! Let it trace its way across your field of vision instead.

A good one will last a minute or more. You'll be able to tell if it's satellite or airplane, with practice.

I caught nine satellites one night.
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Re: Do You See the Little Spots?

Postby Heineken » Wed 30 Nov 2011, 14:50:59

Sigh . . . I'm not certain we're seeing the same thing, MD.

I'll try to describe more precisely what I see. Just now I closed my eyes (not tightly) and put my hand over them (not pushing on the eyeballs). I saw what I always see: blackness DENSELY filled with TINY SPECKS of light. Not flashes, not streaks, not shapes. Just specks. Billions of them. They seem to vibrate.

I can see the same specks with my eyes open, especially while looking at darker objects, especially while indoors.

Many, perhaps most, people I ask to try this out cannot see what I see, or they describe visual phenomena that differ from this. I find this frustrating and puzzling.
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Re: Do You See the Little Spots?

Postby basil_hayden » Wed 30 Nov 2011, 17:57:12

This thread seems incredibly stupid to me but it did remind me of a joke my father used to play on us kids.

He'd grab a pen, draw a spot on each of our hands, then tell us to put our hands over our ears and ask us what we were doing.

"Listening to the Ink Spots" he'd say, LOL (kids - the Ink Spots were a band back in the day)

http://www.youtube.com/watch?v=rvwfLe6sLis
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Re: Do You See the Little Spots?

Postby vision-master » Wed 30 Nov 2011, 18:29:52

Hot Rod Lincon... lol
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Re: Do You See the Little Spots?

Postby Heineken » Wed 30 Nov 2011, 20:28:27

$this->bbcode_second_pass_quote('basil_hayden', 'T')his thread seems incredibly stupid to me


:-D

Yes, but CAN you see the little spots?
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Re: Do You See the Little Spots?

Postby Outcast_Searcher » Wed 30 Nov 2011, 21:40:42

$this->bbcode_second_pass_quote('Novus', 'T')hey don't look anything like that. They move like Lava lamp goo sped up x100 and they change color and spin at amazing speeds while disappearing and appearing out of nothingness. As I said I am pretty sure it is radiation.

The visible light normal people see is only tiny part of the Electromagnetic Spectrum. People with extra sensory perception or ESP can see and hear other parts of the spectrum. The screen you are reading this from gives off so much radiation it would sound like a vacuum cleaner if you could hear it all.


The fact that we only see a tiny part of the EM spectrum is true.

The rest of your post makes me fear you have gone off into the world of Vision-Master, A.K.A. la-la land, but hey, whatever floats your boat.
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Re: Do You See the Little Spots?

Postby MD » Thu 01 Dec 2011, 00:12:09

$this->bbcode_second_pass_quote('Heineken', '.').. I saw what I always see: blackness DENSELY filled with TINY SPECKS of light. Not flashes, not streaks, not shapes. Just specks. Billions of them. They seem to vibrate...
..


Yep, exactly that (although "billions" is a few orders overstated). Did it just now.

It seems obvious enough to me. Your eyes are just a collection of "rods and cones" each of which sends a discrete signal to your visual processing center. The tiny specks you (we) perceive are the individual receptors that are painted on the inside of your eyeballs. No more, no less.
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