Can Artificial Intelligence Map Our Moods?

Researchers showed long ago that artificial intelligence models could identify a person’s basic psychological traits from their digital footprints in social media. A new study provides strong evidence that machine-learning models can also map a person’s mood swings and volatility from week to week. Using AI tools to analyze Facebook posts, the new machine-learning model infers both how happy or sad a person is feeling at any given time as well as how aroused or lackadaisical. Over time, this algorithm can even produce a video out of a person’s emotional ups and downs. The findings could spark new worries about privacy or the use of social media to market to people.

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