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Scientists Explore How Brains Work During Conversations

As every portrait painter knows, the slightest change in the shape of eyebrows, the curvature of lips or a crease in the forehead can alter the expression of a person's face — and affect how someone else responds. Yale University neuroscientist Joy Hirsch said scientists would like to understand the neurocircuitry behind this interaction between individuals. “The visual information and facial expressions are actually coded intimately with the systems of the brain that are coding...

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