2/ Meaning? It's not like a sudden, "Whoa, everything is black!" It's a "Wait, what? Why do I keep bumping into walls?" It requires conscious interrogation to notice: putting things in my field of vision and realizing, "I don't perceive anything in some places where I should."
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3/ Ignoring the annoyance, it's actually a perennially-humbling experience. Your visual processing system is good. Like, remarkably so. And, it's something that people who aren't blind use constantly.
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4/ Outside of infancy, it's something so well-tuned, that it just works You don't think about it. Except, when it fails. Then, you realize that the you that thinks and the sensor that sees aren't actually the same thing.
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5/ I like optical illusions for this reason. It gives you that same recognition (without the headache). My favorite is Nino's Extinction Illusion. I use it in my dissertation as an analogy to the limits on our short term memory.
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6/ There are several dots in this image, but you can't perceive them all at once. If I asked you to identify the position of dots, you could do so. But, your visual system *doesn't* make it obvious. It's unstable. You have to abstract and extract information.pic.twitter.com/IXASOBAzRS
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7/ I think the way our brain handles beliefs may work the same way. We like to think our belief systems are coherent. But, introspection is hard. We're limited to only a few mental concepts (e.g. 7 +/- 2) at a time.
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8/ When we want to, we expend effort to resolve our Belief Dilemmas (check out Abelson 59) in a piecemeal fashion. But, working memory constrains so things disappear form awareness quiet easily. And, like with vision, we don't necessarily *notice* when important things vanish.
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Replying to @generativist
Dude! I used to get retinal migraines all. the. time. My entire left eye would "white-out" except for random neon splotches. I'm so glad it stopped happening because, though not exactly painful in the normal sense of pain, somehow kind of mentally painful.
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Replying to @KLdivergence
Oh yea. I get that sometimes when I'm halfway out of one. Or a...waviness. Def not pleasant! (And scary as fuck the first time. I assumed I was having a stroke or something.)
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Replying to @generativist
+1 to the scary af. I (and doctors) also thought I was possibly having mini-strokes bc mine tended to be exercise-induced, strangely. You're the first person I've "met" who's had this too. So, hi. :)
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Hi back! And, we're both information theory geeks with super-duper rad screen names? Coincidence? I think not.pic.twitter.com/UJtJKh9XRh
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