Scientists’ ability to understand speech processing has been held back by topology: the brain region that is involved in speech processing, the auditory cortex, is deeply hidden between the brain’s frontal and temporal lobes.
Even if researchers could get access to this area of the brain, to get neurophysiological recordings from the auditory cortex would require a scanner with extremely high resolution.
But advancements in technology, along with nine participants undergoing brain surgery, allowed a team of neuroscientists and neurosurgeons from across Canada and the USA to answer the question of how we understand speech.
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