A new study conducted by researchers from Tokyo Metropolitan University revealed that smartwatches could identify emotions through the electricity in the skin.
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According to an article published in the scientific journal IEEE Access by researchers from Tokyo Metropolitan University, smartwatches, smartrings, and other devices could identify emotions based on the electricity in the skin.
According to the study, each emotion causes different levels of electrical conductivity in the skin, and with specific technology, it would be possible to make predictions and better understand the emotions of device users.
Study volunteers watched videos that triggered fear, fun, and various emotions. Each of these triggered different levels of electrical conductivity in the skin. Tests showed that fear is the strongest emotion.
“When people feel different things, the electrical properties of the skin change drastically due to sweating, with signals appearing within one to three seconds of the original stimulus,” the researchers explained in a statement.
According to the team responsible for the study, the research data could be used to help achieve a “better understanding of human emotions.”
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