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I'd just like to add that, in addition to what has already been said, it can be a lot harder for the brain to memorize information that it doesn't find useful or relevant. As someone with ADHD, this is a common issue for me. I find it significantly more difficult to not just pay attention to, but remember information on topics that I don't find ...


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The brain is trained to remember patterns and predictable associations. Randomness is the absence of patterns, so it's the exact opposite of what the human brain is for. A human can remember random numbers to about 67,890, which is the world record digits of Pi. That's about 20 pages of irrational numbers. Some people can remember 20 pages of word documents. ...


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Our brains usually make associations to different words including images, sounds, emotions, etc... which help reinforce the neurological patterns required to memorize sentences, etc... To remember something, it must also be repeatedly 're-thought' to strengthen the memory. Eventually with enough conscious and subconscious repetition of a thought, these ...


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According to Wikipedia, the nerves cross in all the vertebrates: In vertebrates with a large overlap of the visual fields of the two eyes, i.e., most mammals and birds, but also amphibians, reptilians such as chameleons, the two optic nerves merge in the optic chiasm. Part of the nerve fibres do not cross the midline, but continue towards the optic tract of ...


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