Teenage brains 'not wired for high stakes'

From BBC - November 28, 2017

Brain immaturity during adolescence could explain why some teenagers fail to respond to incentives such as cash rewards.

Adults are good at putting maximum mental effort into the things that matter most.

But, brain circuits are still developing in teenagers, making it harder for them to tackle meeting their goals, say US psychologists.

Attempts to improve student grades with money have had mixed success.

The research, published in the journal, Nature Communications, shows that brain connectivity continues to develop throughout adolescence, affecting teenagers' ability to perform when the stakes are high.

In the study, researchers at Harvard University used functional magnetic resonance imaging (fMRI), which measures brain activity by detecting changes linked to blood flow.

Young people, aged 13 to 20, were brain scanned while they played a computer game.

They played for high stakes, when they could earn $1 for correct responses or lose 50 cents for incorrect responses, and for low stakes, when they could earn 20 cents or lose 10 cents.


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