Scientists Figure Out Why Human Screams Are So Bloodcurdling

The Brain





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Screaming is primal. It warns other people about hazards, and it keeps parents alert to their babies’ needs. In a noisy world of thunder, dance parties, and police sirens, our shrieks and cries need to stand out for us to survive. And they do. According to a new Current Biology study, human screams activate not only the auditory parts of our brain, but also its fear circuitry.