Possibly related: Severed Octopus Arms Have a Mind of Their Own. (Title of a Smithsonian article.) (If it can be said that they have brains in their chests, then limb behavior semi-independence.)
In reply to a tweet asking why we didn't evolve to have our brains in our chests, where they might be safer....https://twitter.com/primalpoly/status/1174850113597952000 …
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Those are called ganglia and also conserved in everything past the cnidarians.
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Are the sensory organs clustered around the brain or is the brain located close to the sensory organs? The rhinencephalon is pretty large in many animals. Maybe the brain evolved to be close to the nose rather than to the mouth.
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It seems like the low effort solution. Evolution is an efficient (lazy) engineer. "What is the least amount of material I require to do this?" I also offer as evidence, all the original design decisions that still linger in the current iteration. "Spleen? Dunno, leave it in"
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Because we're not sharks...
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Makes sense, substantial lag between what we see and what happens might be a problem. Ask any CSGO player
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Because the earliest light sensitive life forms evolved with an elongated symmetrical body form... No?
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I think cooling has a lot to do with it as well.
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Cooling and balance when walking upright
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