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Air pollution is also known to be a potential reason why the Flynn effect (newer generations of test-takers performing substantially better on older tests, acco
by grenoire 7y ago
Air pollution is also known to be a potential reason why the Flynn effect (newer generations of test-takers performing substantially better on older tests, accounting also for test familiarity) is declining; with the "IQ curve" over time plateauing. We know that increased presence of CO and CO2 reduces cognitive capacity on many areas.
- khrbrt 7y agoAshes Ashes did a podcast on this: https://ashesashes.org/blog/episode-07-last-gasp https://ashesashes.org/blog/episode-07-last-gasp And a related episode on air pollution in general: https://ashesashes.org/blog/episode-38-dead-air https://ashesashes.org/blog/episode-38-dead-air
- beenBoutIT 7y agoIIRC, the off gassing from carpet that most of us recognize as 'new suburban home smell' takes 10 points off of a kid's IQ.
- FabHK 7y agoReversing, not declining.
- FabHK 7y agoCarbon monoxide pollution has decreased (or been stable) in the countries I've bothered to check over the last decades (while the Flynn effect was in full swing): https://www.epa.gov/air-trends/carbon-monoxide-trends https://www.epa.gov/air-trends/carbon-monoxide-trends https://www.epd.gov.hk/epd/english/environmentinhk/air/data/emission_inve_co_C.html https://www.epd.gov.hk/epd/english/environmentinhk/air/data/... https://iir-de.wikidot.com/emission-trends-carbon-monoxide https://iir-de.wikidot.com/emission-trends-carbon-monoxide