Synching up an older person's brain waves boosts memory | Science News
https://www.sciencenews.org/article/brain-stimulation-memory-boost-dementia
After 25 minutes of stimulation, these older people could better remember whether an image on a screen was the same as a previous version, or slightly changed. Their performance on the task rivaled that of people in their 20s, report neuroscientists Robert Reinhart and John Nguyen, both of Boston University. When 18 younger people's brain waves were thrown out of whack with the device, their working memory suffered, other experiments revealed.
Brain stimulation benefits lasted at least 50 minutes. In a news conference with reporters on April 2, Reinhart said he suspects that the benefits last longer than that.
https://www.sciencenews.org/article/brain-stimulation-memory-boost-dementia
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