When it comes to hearing words, it's a division of labor between our brain's two hemispheres

Scientists have uncovered a new "division of labor" between our brain's two hemispheres in how we comprehend the words and other sounds we hear -- a finding that offers new insights into the processing of speech and points to ways to address auditory disorders.

"Our findings point to a new way to think about the division of labor between the right and left hemispheres," says Adeen Flinker, the study's lead author and an assistant professor in the Department of Neurology at NYU School of Medicine. "While both hemispheres perform overlapping roles when we listen, the left hemisphere gauges how sounds change in time -- for example when speaking at slower or faster rates -- while the right is more attuned to changes in frequency, resulting in alterations in pitch."

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