Wires Inserted Into Human Brain Reveal Speech Surprise | Wired Science | Wired.com - 1 views
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in’s team benefited from a brain-reading technology called intra-cranial electrophysiology, or ICE, in which electrodes are positioned inside the brain itself. It’s a medical rather than a research tool, used to precisely measure electrical activity in the brains of epileptics who don’t respond to treatment.
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This tested only one type of verbal cognition, cautioned Sahin, and the focus was unavoidably narrow, but it was enough to show that Broca’s area is involved not only in translating speech, but receiving it. That role was considered specific to part of the brain called Wernicke’s area. More broadly, the findings may represent a general rule for Broca’s area, and perhaps other brain regions: Each part plays multiple roles, rather than performing a single task.
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This tested only one type of verbal cognition, cautioned Sahin, and the focus was unavoidably narrow, but it was enough to show that Broca's area is involved not only in translating speech, but receiving it. That role was considered specific to part of the brain called Wernicke's area. More broadly, the findings may represent a general rule for Broca's area, and perhaps other brain regions: Each part plays multiple roles, rather than performing a single task.