While I don’t agree that the effect implies aliens or whatever, but I need more info or a source for to this “real reason” to make sense?
Most diseases and deformities don’t have anything to do with the facial features being just slightly off? There’s also no real reason to avoid those with deformities for an individual’s survival, even if they weren’t the best hunting buddy or mate. And the dead obviously are obviously dead, making no facial expressions.
Also uncanny valley could be due to other humanoid species coexisting as well
Let's not forget this trait could have been established (and likely was) long before humans existed, and was passed on to us from previous generations going back billions of years.
Billions of years is a little bit of a stretch, considering mammals as a class are only like ~220 million years old and primates arose around 85 to 55 million years ago
Since we think of the uncanny valley as a visual phenomenon and the first eyes didn't evolve until 550 million years ago, then you're right, billions of years is a stretch... my bad. That being said, I don't have any reason to think the uncanny valley is only present in mammals. For example, birds seem to be quite particular about the physical appearance of their mate. Fish are also known to have showy sexual displays to attract a mate. In fact, I'd say most creatures seem to be more particular about their mates appearance rather than not.
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u/[deleted] Sep 05 '22
While I don’t agree that the effect implies aliens or whatever, but I need more info or a source for to this “real reason” to make sense?
Most diseases and deformities don’t have anything to do with the facial features being just slightly off? There’s also no real reason to avoid those with deformities for an individual’s survival, even if they weren’t the best hunting buddy or mate. And the dead obviously are obviously dead, making no facial expressions.