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No. 3775
The problem with dreams is that they are often very abstract and your brain is using it's magic human-powers to fill in the gaps with something that is less SEEN and more IMAGINED.
Once, I had a dream that I started waking up from, and all at once I perceived that the world I was in was REALLY shitty. Like, a kindergartener's crayon, stick-figure drawings of a house and people and some trees. Seriously, THAT is what you "see" (literally what is projected on your visual cortex) when you dream, your imagination does the rest. Not to mention it pays no attention to physics, gravity, logic, or color theory.
Human visual memory is largely the same (for normals, I haven't studied those with eidetic memory). You don't remember THINGS; you don't remember actually seeing the plate of spaghetti you ate last night. What is going on is you remember that you ate spaghetti last night, and your procedural memory of what a plate of spaghetti tends to look like is being constructed in your mind and combined with the other parts of the memory. It's more of a list of disjointed sentences describing what happened, than a clear logical videotape.
So if they ever found a way to "film" a person's dreams, all you would get is a bizzare mish-mash of abstract stuff that's probably not very well relatable to reality, much less cogent. Kinda like what you would see if you looked at Picasso while on acid.
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