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Alzheimer’s May Start Shrinking Two Brain Regions Years Before Memory Loss
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What Happened?
Researchers at Johns Hopkins University found that Alzheimer's disease may begin affecting the entorhinal cortex and amygdala up to a decade before memory issues arise. This discovery could lead to earlier diagnosis and treatment.
Key points
- Alzheimer's may show detectable changes in the brain up to ten years before memory loss.
- The entorhinal cortex and amygdala show earlier signs of deterioration than the hippocampus.
- The study analyzed hundreds of MRI and PET scans from various stages of Alzheimer's.
- Tau protein accumulation is linked to brain tissue loss in Alzheimer's patients.
- The findings were published in NeuroImage Reports and presented at Neuroscience 2026.
Key insights
- Early detection of Alzheimer's could allow for timely interventions that may slow disease progression.
- Understanding changes in the entorhinal cortex and amygdala may improve diagnostic accuracy.
- Future treatments could target tau protein accumulation to prevent significant brain damage.
Why it matters
This research could lead to earlier detection and treatment of Alzheimer's, potentially preserving cognitive function.
Tags
Entities
Johns Hopkins University· OrganizationNeuroImage Reports· EventSociety for Neuroscience· Organization
Source
Science Daily
