Why do people's pupils dilate when they're surprised? Brown researchers explain
August 05, 2026
August 05, 2026
PROVIDENCE, Rhode Island, Aug. 5 -- Brown University posted the following news:
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Why do people's pupils dilate when they're surprised? Brown researchers explain
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PROVIDENCE, R.I. [Brown University] -When people encounter new information that challenges their expectations, their pupils are likely to dilate. This physiological response is a sign that something is happening in the brain to help the person adapt to the new situation . . .
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Why do people's pupils dilate when they're surprised? Brown researchers explain
*
PROVIDENCE, R.I. [Brown University] -When people encounter new information that challenges their expectations, their pupils are likely to dilate. This physiological response is a sign that something is happening in the brain to help the person adapt to the new situation . . .