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Researchers found that a protein in human umbilical cord plasma improved learning and memory in older mice, but there's no indication it would work in people.
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A magnetic pulse to a certain spot in the brain of healthy volunteers restored recently "forgotten" thoughts, researchers found. The study is shifting the understanding of short-term recall.
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While still experimental, deep brain stimulation with implanted electrodes is being tested as a way to ease dementia in patients with Alzheimer's and other neurological conditions. Could it work?