Eyes really do tell a story.

 

眼睛确实会说话。

 

Using machine learning, earlier this year scientists discovered a connection between people's personalities¹ and their eye movements. They then deployed² artificial intelligence to track and analyze³ the eye movements of 42 students. They announced the results last week.

 

The new technology can detect four of the "Big Five" basic personality traits: agreeableness, conscientiousness⁴, extroversion⁵, and neuroticism⁶. It could not judge openness to experience.

 

The good news, according to one of the researchers, is that this finding could improve how humans and machines interact. If the machine can interpret what a person is like, the thought is, it can act accordingly.

 

On the more negative side, this discovery also screams of privacy implications. Targeted advertising⁷ could be taken to a whole new level, and websites would have uncomfortably personal information of its visitors.

 

Here are some personality traits related to eye movements. Which one are you?

 

Curious: look around more

Open-minded: stare at abstract images for longer periods of time

Neurotic: blink faster

More conscientiousness: have greater pupil size changes

Optimistic: spend less time looking at negative emotional things

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