Scientists decode how the brain hears words
Date: Friday, February 03, 2012 @ 11:15:06 LKT
Topic: Worldwide News and Events


US: US scientists said Wednesday they have found a way to decode how the brain hears words, in what researchers described as a major step toward one day helping people communicate after paralysis or stroke.

By placing electrodes on the brains of research subjects and then having them listen to conversations, scientists were able to analyze the sound frequencies registered and figure out which words they were hearing.

"We were focused on how the brain processes the sounds of speech," researcher Brian Pasley of the Helen Wills Neuroscience Institute at the University of California Berkeley told AFP.

"Most of the information in speech is between one to 8,000 hertz. Essentially the brain analyzes those different sound frequencies in somewhat separate locations." AFP


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