Researchers at Washington University in St. Louis are developing a hair-thin, fiber-based implant to study how Alzheimer’s disease progresses deep within the brain.

Supported by a $3.27 million NIH grant, the technology enables long-term imaging and targeted intervention in the hippocampus — one of the first regions affected in Alzheimer’s. By allowing researchers to monitor neurovascular dysfunction over time, the device could help uncover how impaired blood oxygen supply contributes to memory loss and open new pathways for therapeutic intervention.

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