So, this is doing the rounds, and an 8.5-point drop in IQ does seem terrifying post-COVID, but I think there are a few things about the study that are worth pointing outhttps://twitter.com/AliNouriPhD/status/1318967587796099074 …
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Now, while this did represent the majority of hospitalized cases, it's still a bit of a problem for a paper looking at COVID-19 specifically to have very few cases of COVID-19 to examine!
I think it's probably fair to say that the results show that people who have recently experienced a major hospitalization have worse cognitive processing than people who haven't
I definitely don't think that you can infer from this research anything in particular about COVID-19 infections and IQ in general
The problem with this, and that needs to be taken into account, is that in the early part of the pandemic Britain was only testing the seriously ill (hospitalised only). Everyone else had to isolate just with suspected Covid. This explains why figure is so low
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