Scientists probe hidden memory system that might survive brain damage

NCT ID NCT04846764

First seen Jun 23, 2026 · Last updated Jun 23, 2026

Summary

This completed study looked at how people learn and remember associations, like names or where you met someone. Researchers compared healthy young and older adults with patients who have memory problems from Alzheimer's or semantic dementia. They used memory tests and brain scans to uncover a learning system that may work even when the hippocampus is damaged.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • CHU Rennes

    Rennes, 35033, France

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this could reveal a hidden memory system that might one day be used to help people with memory loss from aging or brain disease.

What could go wrong

This is an observational study, not a treatment trial. It aims to understand memory, not to test a therapy, so direct patient benefits are far off and uncertain.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.