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

A brain stimulating technique could lead to noninvasive therapies for dementia

brain scan

BRAIN BOOST  After electrical stimulation coaxed brain waves into synchrony in two brain spots, on the front and on the side (warm-colored areas in this model), older adults had better scores on working-memory tests. 

R.M.G. Reinhart and J.A. Nguyen/Nature Neuroscience 2019

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