MIT wireless device can read human emotions (research)

MIT wireless device can read human emotions (research)
MIT wireless device can read human emotions (research)

A team of researchers at MIT believe they’ve created a way to recognize basic emotions with signals transmitted from the closest wireless router.

The system is called EQ-Radio. It uses radio frequency (RF) signals to monitor someone’s heartbeat. An algorithm then extracts individual heartbeats, measures the tiny differences in the length of each beat, and sends the resulting data to an emotion classifier to figure out how the subject feels at a given moment. The emotion classifier also uses machine learning to become more accurate over time.

“Our work shows that wireless signals can capture information about human behavior that is not always visible to the naked eye,” EQ-Radio project lead and MIT professor Dina Katabi said in a press release. “We believe that our results could pave the way for future technologies that could help monitor and diagnose conditions like depression and anxiety.”

MIT’s efforts join other attempts to use technology to determine someone’s emotions. Others are examining Instagram photos for signs of depression and using Amazon Echo to detect mental disorders.

Some of those projects end up being little more than fun gimmicks. But MIT’s work on EQ-Radio shows that tech really can help determine if someone is suffering from problems that aren’t obvious to human observers. All it takes is some RF signals mixed with a bunch of algorithms and a dash of machine learning.

Laura F. Nixon

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