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London – Already at the onset of Alzheimer’s disease, there are disruptions in the communication between individual brain regions, which can be shown using the “resting state” imaging of functional magnetic resonance imaging (fMRI). A study in Nature Mental Health (2024: DOI: 10.1038/s44220-024-00259-5) shows that these changes can precede the clinical diagnosis by up to 9 years. Alzheimer’s disease is characterized by…