TBH, the research into the effects of CO2 on cognition are limited. If your goal is to err on the side of safety, you ought to consider that a regulatory body t

TBH, the research into the effects of CO2 on cognition are limited. If your goal is to err on the side of safety, you ought to consider that a regulatory body tends to only consider data that exists. Given that little data exists for this, they likely did not consider cognition in their recommendations. Additionally, this is pre-covid. It's very clear now that most buildings do not cycle air enough to mitigate transmission of disease. This was less of a consideration when these recommendations were made.