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Scientists seek to measure pain beyond sad faces

January 10, 2019
Researchers are hunting the first objective way to measure pain, what the National Institutes of Health calls a pain meter. Among the devices in early-stage testing: One that peeks into the eyes to link pupil reactions to pain. (Jan. 10)

Researchers are hunting the first objective way to measure pain, what the National Institutes of Health calls a pain meter. Among the devices in early-stage testing: One that peeks into the eyes to link pupil reactions to pain. (Jan. 10)

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