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Long COVID linked to lower brain oxygen levels, cognitive problems and psychiatric symptoms

We are the first to show reduced oxygen uptake in the brain during a cognitive task in the months following a symptomatic COVID-19 infection. This is important because a lack of sufficient oxygen supply is thought to be one of the mechanisms by which COVID-19 may cause cognitive impairment.

Peter A. Hall, Hasan Ayaz, Gang Meng, Anna Hudson, Mohammad N. Sakib, Anne C.K. Quah, Thomas K. Agar, Jessica A. Lee, Christian Boudreau, Geoffrey T. Fong, Neurocognitive and psychiatric symptoms following infection with COVID-19: Evidence from laboratory and population studies, Brain, Behavior, & Immunity – Health, Volume 28, 2023, 100595. DOI: 10.1016/j.bbih.2023.100595