Resting Beta-Wave Signatures Could Foresee Alzheimer's Years Earlier
A Brown University-led study using noninvasive magnetoencephalography (MEG) tracked resting brain activity in 85 individuals with mild cognitive impairment and found that those who later developed Alzheimer's showed beta-wave bursts that were shorter, weaker, and less frequent, suggesting a potential early biomarker for progression up to about 2.5 years before diagnosis.