There were studies making similar conclusions pretty early on into the pandemic. I remember reading one four years ago now that mentioned an average drop of 7 IQ among many thousands of participants after getting the virus even in mild or asymptomatic cases.
Why is it that he can hit a 3rd baseman on a frozen rope from 300 feet away, but he can't hit a 12 foot tall catcher from 60 feet 6 inches away?
-Awesomeo_4000