Abstract
Using electrophysiological recordings in area V4 of monkeys attending to one stimulus and ignoring others, researchers at the National Institutes of Mental Health (NIMH) found that groups of neurons devoted to the attended stimulus synchronize their activity, whereas neurons devoted to the distracting stimulus do not. The researchers suggest that coordination in firing amplifies the signal of the attended stimulus to stress importance over the distracting stimuli to higher brain processing areas. The exact mechanism by which these high-frequency oscillations are generated and enhanced is not yet known. The full report is published in the February 23 issue of Science.
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