This AI can predict your personality just by looking at your eyes

Artificial Intelligence 2018

UN Photo/Manuel Elias Deputy Secretary-General Amina Mohammed has a brief dialogue with Sophia at the “The Future of Everything – Sustainable Development in the Age of Rapid Technological Change” meeting.

This article is brought to you thanks to the strategic cooperation of The European Sting with the World Economic Forum.

Author: Emma Charlton, Writer

Are you neurotic, agreeable, an extravert, or conscientious? New technology purports to know you better than you know yourself.

Machine learning is bringing a new meaning to the phrase “in the blink of an eye” with researchers at the University of South Australia and the University of Stuttgart using eye movements to predict key traits.

The research underscores the close link between eyes and personality and may help enhance work enabling robots to interact better with humans. And while this study was conducted on a small scale, it sheds light on the importance of non-verbal communication that could aid the development of systems to recognize and interpret social signals.

“Thanks to the machine learning approach, we could automatically analyze a large set of eye movement characteristics and rank them by their importance for personality trait prediction,” the researchers wrote. “Going beyond characteristics investigated in earlier works, this approach also allowed us to identify new links between previously under-investigated eye movement characteristics and personality traits.”

Image: Wikimedia Commons

The project used artificial intelligence to track and monitor the eye movements of 42 individuals using tools from SensoMotoric Instruments. Those findings were then cross-checked with well-established questionnaires that define personality traits.

Of the five key traits – openness, conscientiousness, extraversion, agreeableness and neuroticism – the technology easily identified four: neuroticism, extraversion, agreeableness and conscientiousness.

Tracking eye movements

The 42 people were fitted with an eye tracker and given five Australian dollars and 10 minutes to make a purchase in a university campus shop. When they returned they removed the eye tracker and filled in personality and curiosity questionnaires.

The findings were analyzed to show how trait-specific eye movements vary across activities. While the study used a small sample and the authors said the predictions aren’t yet accurate enough for practical applications, it does shed light on the close link between personality and eye movements. Pupil diameter, for example, was important for predicting neuroticism.

Image: Frontiers in Human Neuroscience

The next step, they said, is the development of systems that can recognize and interpret human social signals.

And this sort of research is likely to increase in importance as AI becomes more and more embedded in the fabric of our lives. Already the technology powers virtual assistants like Apple’s Siri or Amazon’s Alexa.

Human-like robots

Making these services and other robots more human is a focus of much research, since machines are also already able to do many practical tasks. In China, hotels use robots to deliver goods to a room or help customers who have lost their way. And in Shanghai you can have your coffee made by a robot.

Yet at the moment, humans interact with these robots via an app, rather than face-to-face. Unlocking the power to help them converse intelligently with humans, learn from those interactions and respond with a computer version of empathy could pave the way for many other potential uses.

“Such knowledge of human non-verbal behaviour might also be transferred to socially interactive robots, designed to exhibit human-like behaviour,” the researchers wrote. “These systems might ultimately interact with humans in a more natural and socially acceptable way, thereby becoming more efficient and flexible.”

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