When an older person’s brain waves are in sync, memory is boosted

Nudging an older person’s brain waves into sync temporarily boosts her recall powers. After about a half hour of precisely calibrated stimulation, people were better able to mentally juggle images seen on a screen, researchers report in Nature Neuroscience.

The results are the latest example of technology that aims to improve thinking by reshaping brain waves, an approach that may ultimately lead to noninvasive therapies for disorders including dementia, schizophrenia and autism.

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