Brains Get a Performance Boost From Believing Effort Trumps Genetics

TIME

How much of our intelligence is a genetic gift or the product of hard work is difficult, perhaps impossible, to know for sure. But for our brains to perform their best, new research suggests, it’s better to believe that effort trumps heredity.

Researchers publishing in the journal Biological Psychology wanted to know what happens in the brain when people receive the message that their performance is the result of native intelligence versus the fruits of hard work. Previous studies have found that the latter seems to prompt people to work even harder the next time, while the former has a dampening effect on performance. But it’s unclear what either message triggers in the brain to cause those outcomes.

This time around, two groups of study participants were outfitted with electroencephalogram (EEG) headgear and asked to read two different articles about intelligence. One article conveyed the message that intelligence is solidly…

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