Slowness, blurriness, lack of intellectual clarity… a feeling of mental fog has been experienced by many people who have suffered from a coronavirus infection during the Covid-19 pandemic. At present, the way the virus can affect our brains is of increasing interest to researchers. Studies have established that the coronavirus leaves a mark on the brain, but more work needs to be done to understand how it works and to develop curative treatments. Ziyad Al-Aly, chief of research and development at the VA St. Louis Health Care System, and a clinical epidemiologist at Washington University in St. Louis, in the United States, has studied the effects of long Covid. In an article published by The Conversation, It takes stock of what scientists have discovered about how coronavirus infection can affect the brain.
A profound change in the brain
People who had Covid-19 were at increased risk of cognitive deficits such as memory problems. Studies have found reduced brain volume and altered brain structure after infection. The virus triggers a fusion of brain cells that short-circuits the brain’s electrical activity. It also causes inflammation in the brain and changes the ability of brain cells to regenerate. A study of people who had (…)
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