MRI study seeks clues to COVID brain fog
NCT ID NCT05855434
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed pilot study scanned the brains of 30 people who were hospitalized with COVID-19 and later reported memory, concentration, or organizational problems—often called 'brain fog.' Researchers used MRI and spectroscopy to look for changes in brain structure and chemistry that might explain these cognitive difficulties. The goal is to better understand the long-term effects of COVID-19 on the brain.
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 study could help explain why some people experience 'brain fog' after COVID-19, pointing toward future ways to diagnose or treat these cognitive changes.
What could go wrong
This is a very small pilot study with only 30 participants, so results may not apply to everyone. It is observational and does not test any treatment, so it cannot directly improve symptoms.
Disclaimer
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the original study
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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.
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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Aberdeen Royal Infirmary
Aberdeen, Grampian, AB25 2ZH, United Kingdom