We speculate that viral-triggered neuroinflammation and immune response contribute to neurotoxic damage in brain regions involved in cognitive processing, ultimately resulting in alterations in cortical morphology and glymphatic function.

A new study published in Brain, Behavior, and Immunity has found that young adults who have recovered from COVID-19 show distinct patterns of brain activity during cognitive tasks, even if they perform normally on those tasks. These brain activity changes are similar to those seen in much older adults and are particularly pronounced in individuals reporting “brain fog.”

Vaccination prior to COVID-19 infection does not significantly affect neurological symptoms in patients with postacute sequelae of SARS-CoV-2 infection, according to a study published online Jan. 7 in Brain Communications.Shreya Mukherjee, from the Northwestern University Feinb