Of eyes and hands: Assessing the evolutionarily stable strategy of human handedness by means of eye‐tracking

Short summary

Human handedness distribution (1:9 left- to right-handers) may be an evolutionarily stable strategy (ESS) where left-handers excel in competition and right-handers in cooperation. Eye-tracking during a 'friend or foe' task showed participants responded better to competitive stimuli and to stimuli matching their own handedness, supporting the ESS hypothesis.

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