Common myths
Do brain games raise your IQ?
What dual n-back and other brain-training studies found about intelligence: practice improves the trained task, but meta-analyses show no convincing IQ gains.
What does research actually show about brain training? Here we look at what improves with practice, what transfers to other abilities, and which popular claims do not hold up — with references you can check.
How we review evidence → · Editorial policy
Common myths
What dual n-back and other brain-training studies found about intelligence: practice improves the trained task, but meta-analyses show no convincing IQ gains.