So far, two reasons for the deterioration of cognitive functions have been identified. However, symptoms persist several weeks after infection with COVID-19.
Coronavirus affects brain function. These symptoms are
confusion, headache, loss or impairment of attention and memory
.“Such neurological symptoms usually go away,”
, the scientists assured. The phenomenon was called “brain fog.”
The first cause of the ailments turned out to be inflammatory molecules in the cerebrospinal fluid and in the fluid around the brain. The second is a large number of microthrombi in the capillaries of the nervous tissue, due to which the brain cannot receive enough oxygen. “After studying samples of nervous tissue and blood vessels from five people, a huge number of megakaryocytes were found in their capillaries – cells responsible for the production of “building materials” for blood clots,” shared American scientists.