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Lumifer comments on Stupid Questions September 2015 - Less Wrong Discussion

4 Post author: polymathwannabe 02 September 2015 06:26PM

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Comment author: Lumifer 10 September 2015 08:35:30PM 3 points [-]

I consider it an actual phenomenon, but I'm not sure it's a phenomenon of somebody's eyes (facial expressions, technically speaking) or of my own perception.

Essentially, it's a snap judgement of whether a person is bright or dull and, in my experience, it works out quite well.