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A recent study reveals that magnetic resonance imaging (MRI) scans can detect early changes in the brain associated with Alzheimer's disease, approximately seven years before the current indicators for early diagnosis appear. The findings showed that changes in the thickness of the cerebral cortex occur before the accumulation of beta-amyloid protein, which is typically detected using positron emission tomography (PET) scans. This opens new horizons for understanding the disease mechanisms and developing new treatments. Although the results are promising, researchers emphasize that MRI still requires further studies to become an independent diagnostic tool.
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