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3-Minute EEG Test Reliably Detects Memory Impairment, Enabling Earlier Alzheimer's Diagnosis

The Fastball EEG test detects memory impairment linked to Alzheimer's five years earlier, enabling timely treatment with new drugs, researchers from Bath and Bristol universities report.

  • On Tuesday, a paper in Brain Communications reported a three-minute Fastball EEG test trialed in patients' homes in the U.K. by the University of Bath and University of Bristol detects memory decline linked to future Alzheimer's years before typical diagnosis.
  • With new Alzheimer’s drugs proving most effective early, donanemab and lecanemab work best in early stages, while more than seven million Americans face rising risk to nearly 13 million by 2050; nearly 4 in 5 want early status knowledge, Alzheimer's Association says.
  • Using a wireless EEG cap, researchers tested 106 participants , finding reduced Fastball responses in amnestic MCI cases; Tara Spires-Jones said, `This study was robustly conducted but the number of participants was relatively small.`
  • While promising, experts cautioned that Fastball does not distinguish early Alzheimer’s from other causes, so additional biomarkers or imaging are likely needed despite its portability expanding screening beyond GP surgeries and memory clinics.
  • Researchers are now running two 1,000 patient studies to validate Fastball’s accuracy and note that `MCI presents around five years before Alzheimer's, so detection five years earlier means patients can get on the drugs earlier and the lifestyle interventions earlier`, the team said.
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The Conway Daily SunThe Conway Daily Sun
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3-minute EEG Test Reliably Detects Memory Impairment, Enabling Earlier Alzheimer's Diagnosis

Breakthrough research from the University of Bath and the University of Bristol that demonstrates the real-world efficacy of a passive EEG test in identifying memory decline years before a clinical diagnosis, is being developed as a screening tool by Cumulus…

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Newsweek broke the news in United States on Monday, September 1, 2025.
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