this post was submitted on 13 Feb 2024
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I like to think uncanny valley exists because of other homo species we would have interacted with in pre-history. Obviously this is just a fun theory since we have evidence of mixing.
The simple explanation I've heard is that the uncanny valley protects us from diseases etc. by making us stay away from very sick or dead people. A bloated corpse is still human, so you need some part of your head to say "stay away from that thing".
Or genetic defects.
"Something about that person is extremely off-putting. I do believe I'm not going have sex with them."
Some of the modern recreations of neanderthals look like people I've seen in bars.
On a cold night after a few handfuls of fermented berries ... I probably would too.
After a cursory glance I found a paper that suggests the effect might predate humans. Or at least that humans are experiencing the effect even when the faces are off other primates. They suggest it's selection pressure but personally I believe that we were hunted by a super race of ape like aliens for sport at some point in our evolutionary background. Which lead directly to developing communication and higher intelligence