Science study: kids' brain patterns reflect socioeconomic status, not innate IQ
burny_tech · x · 2026-09-20
- A Washington University team led by Scott Marek analyzed brain scans from tens of thousands of 9-10 year olds in the ABCD study, comparing hundreds of behavioral and environmental variables at once.
- Finding: socioeconomic status is the primary factor shaping children's brain organization, outweighing other factors; brain patterns previously interpreted as biological signatures of intelligence actually reflect environmental stressors like sleep deprivation.
- The study suggests mapping single traits to brain imaging may conflate innate cognition with socioeconomic privilege.
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