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- TL;DR Summary
- Long COVID is real & measureable.
The largest effect sizes were seen in tests of verbal reasoning, multi-stage planning, and spatial attention.
Participants who had received a positive <COVID> test had a lower global score and this deficit scaled with the severity of initial respiratory illness: There was... also a clear effect for mild but biologically confirmed cases who reported no breathing difficulties.
Post-mortem studies of patients who have died of COVID-19 show evidence for ischemic lesions and indications of neuro-inflammation (Matschke et al., 2020).
...
The changes may be functional as well as structural, with nearly 90% of electroencephalography (EEG) studies conducted in patients with COVID-19 revealing epileptiform discharges, mostly within the frontal lobes (Galanopoulou et al., 2020)
Popular article:
https://www.cambridge-news.co.uk/news/uk-world-news/seven-ten-people-long-covid-23442293
Research article:
https://www.frontiersin.org/articles/10.3389/fnagi.2022.804937/full
Well, that's not particularly good news.
![Frowning face :frowning2: ☹️](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2639.png)
Tom