Most people who had recovered from Covid had changes of tiny blood vessels in the frontal lobe and brain stem areas, the scientists said. These are involved in certain cognitive skills like language expression and voluntary movements. However, those who did not have Covid-19 did not experience these changes.
Article source: https://www.huffingtonpost.co.uk/entry/mri-scans-show-covid-impacts-brain_uk_637c8941e4b0c57396241150