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Intelligence - nature or nurture? Researchers find a gene for intelligence and also that a bigger brain matters, yet other recent articles show how motivation affects learning.

Electrical stimulation 'tunes' visual attention

Picking a needle out of a haystack might seem like the stuff of fairytales, but our brains can be electrically "tuned" to enable us to do a much better job of finding what we're looking for, even in a crowded and distracting scene, new research indicates.
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