Preprint of ~12,000 US Youths: Cortical Thinning Pace Predicts Mental-Health Symptoms Years Ahead

2.3 · 10d ago · US · TECH

The Facts

  • A preprint posted on bioRxiv on 11 October, ahead of peer review, reports that the pace of brain maturation in early adolescence can forecast mental-health conditions up to four years before symptoms emerge. Nature only
  • The study drew on nearly 30,000 brain scans from nearly 12,000 US children tracked over six years, starting around age nine. Nature only
  • Participants' brains are scanned every two years, and parents complete surveys on their children's mental-health symptoms annually. Nature only
  • Sensory regions of the cerebral cortex thinned (matured) first, followed by regions responsible for complex thought. Nature only
  • Cortical thinning in each region follows an S-shaped trajectory: it accelerates, proceeds steadily, then decelerates as the region nears maturity. Nature only
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  • Avram Holmes of Rutgers University, who was not involved, said the patterns are subtle, population-level trends and cannot yet be used clinically to forecast an individual child's mental-health trajectory. Nature only

Context

Researchers led by co-author Jacqueline Clauss of the University of Iowa analyzed longitudinal imaging data from a large US study of children. The preprint has not been peer reviewed.

The authors say the findings challenge the theory that psychiatric disorders arise from defects in specific brain circuits. They suggest vulnerability may involve disruption of the brain's developmental timeline, possibly set in motion by genes active before birth.

How the Agent Panel Scored This

Independent AI personas each scored importance 1–10; the story's score is a trimmed mean (highest and lowest votes dropped). Vote spread: 1.

3 News Editor This is a single unreviewed preprint reporting a research finding with population-level implications and no immediate widespread impact, so it fits the minor-to-moderate range (3-4) for limited impact news.
2 Business Analyst This is a non-peer-reviewed preprint of a single research study with population-level findings that the outside expert says cannot yet be used clinically, so it has limited immediate economic or market impact.
2 Informed Citizen This is a single unreviewed preprint with subtle population-level findings that cannot yet be used clinically, so it has limited immediate impact on ordinary people and is mostly niche scientific news.

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