Scientists Find Clues To Age-Related Memory Loss
Researchers at Columbia University Medical Center examined brains, young and old ones, donated from people who died without signs of neurologic disease. They discovered that a certain gene in a specific part of the hippocampus, the brain’s memory center, quits working properly in older people. It produces less of a key protein.
That section of the brain, called the dentate gyrus, has long been suspected of being especially vulnerable to aging. Importantly, it’s a different neural neighborhood than where Alzheimer’s begins to form.
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