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fromPsychology Today
8 hours ago

New Insights on the Evolution of Right- and Left-Handedness

The fighting hypothesis proposes that there is a so-called frequency-dependent maintenance of left-handedness. The main idea is that over the tens of thousands of years of human evolution, left-handers did have an advantage in fights due to a surprise effect. This gives them an evolutionary survival benefit since they win more fights.
Psychology
Psychology
fromWIRED
1 week ago

Left-Handed People Are More Competitive, Says Science

Left-handedness persists at stable 10% rates due to frequency-dependent evolutionary advantages in competitive situations, where left-handers' unpredictability provides strategic benefits that disappear if they become too common.
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