NancyLebovitz comments on Open Thread, March 1-15, 2013 - Less Wrong

3 Post author: Jayson_Virissimo 01 March 2013 12:00PM

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Comment author: NancyLebovitz 13 March 2013 05:51:47PM 1 point [-]

What were the recent experiences?

Comment author: Qiaochu_Yuan 13 March 2013 05:52:39PM *  1 point [-]

I learned that a surprising number of people involved with CFAR / MIRI have prosopagnosia. (Well, either that or I'm miscalibrated about the prevalence of prosopagnosia.)

Comment author: beoShaffer 13 March 2013 06:18:32PM 3 points [-]

How prevalent do you think it is?

Comment author: Qiaochu_Yuan 13 March 2013 06:27:49PM *  4 points [-]

I know 4 (I think?) people with prosopagnosia and maybe 800 people total, so my first guess is 0.5%. Wikipedia says 2.5% and the internet says it's difficult to determine the true prevalence because many people don't realize they have it (generalizing from one example, I assume). The observed prevalence in CFAR / MIRI is something like 25%?

So another plausible hypothesis is that rationalists are unusually good at diagnosing their own prosopagnosia and the actual base rate is higher than one would expect based on self-reports.

Comment author: beoShaffer 13 March 2013 07:40:11PM 0 points [-]

That is a big difference.