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shrimp colour drama
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this post was submitted on 03 Apr 2025
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"Spiders can detect danger coming their way with an early-warning system called eyes."
Really fantastic book. I did have some notes though. Firstly, if honeybees have such low dpi vision, how can they see each other dance? I assume it's because they're experiencing the dance some other way, but how? (Also it's hella dark in there, isn't it?)
He says many times that humanity's umwelt is dominated by sight, but I very much disagree. To lose my hearing or sense of touch would make me feel quite blind, as I use them to perceive things outside my cone of vision constantly. Being in deep water is unnerving for this reason, because I can't "see" what's around me, and I have this whole new area below that I can't hear either. So I have to wonder whether other people feel the way he does or whether my usage is more unique.
He really blew my mind when describing exafference and reafference because these things are reliant on a sense of self in the first place, which means that even the worm in his example must have some form of ego.
You show that you are dominated by sight even as you say you aren't.
Losing your hearing or touch would remove peripheral senses, yes, and certainly that would be unnerving, but think how much worse it would be to lose sight. Hearing wasn't even a factor for you beyond your peripheral, because what you can see is so much clearer, so much more comprehensive, than what you can hear, that hearing is negligible where you have sight.
Hearing is a backup sense. Something you lean on when you don't have sight, but its fidelity is poor enough in people that we rely nearly wholly on sight, when we can.
Losing that cone of vision impacts us far more than our hearing, although of course losing either is massively detrimental.
I have heard that the incidence of suicide is higher in deaf people then in blind people, which would suggest that, while our senses are sight dominated, losing our hearing has a bigger impact in some way. That said I can't find a citation for that, so make of it what you will.
Or maybe the blind people just miss more.