Artificial intelligence can predict your personality — simply by tracking your eyes

Frontiers in Human Neuroscience: A study has shown for the first time that computers can predict individuals’ personality traits from their eye movements while engaged in everyday tasks.

Over 200 eye movement features – including statistics on gaze direction, blinks and pupil diameter – were extracted from tracking data recorded while participants ran an errand on a university campus.  Image: Shutterstock.

A study has shown for the first time that computers can predict individuals’ personality traits from their eye movements while engaged in everyday tasks.

— by University of South Australia

It’s often been said that the eyes are the window to the soul, revealing what we think and how we feel. Now, new research reveals that your eyes may also be an indicator of your personality type, simply by the way they move.

Developed by the University of South Australia in partnership with the University of Stuttgart, Flinders University and the Max Planck Institute for Informatics in Germany, the research uses state-of-the-art machine-learning algorithms to demonstrate a link between personality and eye movements.


Eye Movements During Everyday Behavior Predict Personality Traits
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Findings show that people’s eye movements reveal whether they are sociable, conscientious or curious, with the algorithm software reliably recognizing four of the Big Five personality traits: neuroticism, extroversion, agreeableness, and conscientiousness.

Researchers tracked the eye movements of 42 participants as they undertook everyday tasks around a university campus, and subsequently assessed their personality traits using well-established questionnaires.

UniSA’s Dr Tobias Loetscher says the study provides new links between previously under-investigated eye movements and personality traits and delivers important insights for emerging fields of social signal processing and social robotics.

“There’s certainly the potential for these findings to improve human-machine interactions,” Dr Loetscher says.

“People are always looking for improved, personalized services. However, today’s robots and computers are not socially aware, so they cannot adapt to non-verbal cues.


Related: Why humans find faulty robots more likeable


“This research provides opportunities to develop robots and computers so that they can become more natural, and better at interpreting human social signals.”

Dr Loetscher says the findings also provide an important bridge between tightly controlled laboratory studies and the study of natural eye movements in real-world environments.

“This research has tracked and measured the visual behavior of people going about their everyday tasks, providing more natural responses than if they were in a lab.

“And thanks to our machine-learning approach, we not only validate the role of personality in explaining eye movement in everyday life, but also reveal new eye movement characteristics as predictors of personality traits.”


Original article: Eye Movements During Everyday Behavior Predict Personality Traits

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