Brain scans of coronavirus patients suggest ‘significant’ grey matter loss over time: study – Fox News
An analysis of brain scans from people once infected with COVID-19 suggested a consistent pattern in loss of grey matter over time, researchers say.
Researchers affiliated with the University of Oxford posted findings ahead of peer review this week to medRxiv, drawing on data from the U.K. Biobank. They compared brain scans taken pre-pandemic to scans taken about three years later among 394 coronavirus patients and 388 matched controls. A further analysis included 15 hospitalized patients compared with 379 people who hadn’t been hospitalized.
"Our findings thus consistently relate to loss of grey matter in limbic cortical areas directly linked to the primary olfactory and gustatory system," or areas in the brain related to the perception of smell and taste, authors wrote.
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