Subtle eye movements betray the impulsive and impatient

January 22, 2014 12:15 AM

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Subtle eye movements betray the impulsive and impatient

Ever notice how a fast-talking short person walking alongside a lanky, laconic friend will eventually leave him in the dust? Despite the difference in the length of the walking partners' legs, the impatient one will get to his destination first every time. Why? Because he just moves faster.

A new study bears out such observations, finding that in the impatient and impulsive, even the tiny, sweeping eye movements we make to scan across our field of vision are more jittery than they are in patient people willing to wait for a reward.

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