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A Botox gap in understanding emotion
A Botox gap in understanding emotion

Botox may be famous for erasing frown lines, but it also may disrupt an important chain of communication between the face and the brain. Not only do our facial expressions reflect our emotional ups and downs, they appear to send crucial feedback to our brain, suggests a growing body of research. Without that full feedback loop, our ability to understand — and be understood — might be constrained. In a recent study of women undergoing cosmetic treatment with Botox, researchers found that the treatment, which blocks facial nerve impulses, seemed to slow the ability to comprehend emotional language. "We know that language moves us emotionally," said the lead author,...

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