Previous version discussed here: https://news.ycombinator.com/item?id=27569772 https://news.ycombinator.com/item?id=27569772 Related discussion on another stu

Previous version discussed here: https://news.ycombinator.com/item?id=27569772 https://news.ycombinator.com/item?id=27569772 Related discussion on another study in the same area (covid effects on cognition) using alternative methods: https://news.ycombinator.com/item?id=27939481 https://news.ycombinator.com/item?id=27939481