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Mapping how words leap from brain to tongue

20:00 EDT 18 Jun 2017 | AAAS

(San Diego State University) How the brain narrows down a smorgasbord of related concepts to the one word you're truly seeking is a complicated and poorly understood cognitive task. Looking at epilepsy patients who had a grid of electrodes directly atop their brains, researchers delved into this question and found that wide, overlapping swaths of the brain work in parallel to retrieve the correct word from memory.

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Epilepsy is defined as a disorder of brain function characterized by recurrent seizures that have a sudden onset.  (Oxford Medical Dictionary).  A seizure is caused by a sudden burst of excess electrical activity in the brain, causing a tempora...