Attention! How your brain manages its need to heed:
Two perennial polarities beloved by brain geeks -- networks versus modules and top-down versus bottom-up attention -- get linked in this week's essay, in which UC Berkeley's Mark D'Esposito reviews an imaging study of how monkeys use their brains to direct their attention. The results, suggests D'Esposito, add threads to vital strands of neuroscientific thought.
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