Photo / SuppliedSome long Covid symptoms begin quickly and persist, whereas others appear well after the initial infection has passed. What particularly concerns us as neuroscientists is that many long Covid sufferers report difficulties with attention and planning — known as "brain fog". So how does Covid affect the brain? These nasal sensory cells connect to an area of the brain known as the "limbic system", which is involved in emotion, learning and memory. This could signal a future vulnerability to brain diseases and may play a role in the emergence of long Covid symptoms.

Source: New Zealand Herald August 10, 2021 21:33 UTC