‘Clinical-grade’ AI stress detector doesn’t work, study suggests

An artificial intelligence technology that supposedly detects stress in people’s voices does not deliver consistent results even for individuals taking the test twice in a row, a study has found.

During the second year of the covid-19 pandemic, US healthcare company Cigna launched its StressWaves test – based on AI technology from Ellipsis Health – as a free online tool. Cigna’s website initially claimed the “clinical-grade AI technology underlying…