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New Study Challenges Chaos Theory of Psychedelic Brain Effects

WHY IT MATTERS

Understanding how psychedelics alter brain networks could reshape therapeutic approaches and clarify why they produce lasting psychological benefits.

What happened

For a decade, scientists believed psychedelics create chaotic brain activity, with networks breaking down into random connections. A recent Nature study led by Devon Stoliker at Monash University tested this idea. Sixty‑two participants, all naïve to psychedelics, received 19 mg of psilocybin and underwent brain scans before and after the dose. Advanced AI analysis of the data revealed that the post‑drug activity was not simply chaotic noise but displayed structured patterns that could explain meaningful experiences, insight, and clarity. Stoliker argues that chaos alone cannot account for the positive psychological changes reported. The team is now developing a new project, PsiConnect, to further investigate these mechanisms.

PRIMARY SOURCES

One with the world? A new look at brains transformed by psychedelics.

Ars Technica · Jacek Krywko · Discovery only; Condé Nast copyright terms apply

CORRECTIONS & UPDATES

  1. Revision 1 · Initial ingestion · Oct 10, 2026, 1:00 PM
  2. Revision 2 · Source update detected · Oct 10, 2026, 1:00 PM
By THELAST.NEWS Editorial System · AI-assistedRevision 3Approved independent source
New Study Challenges Chaos Theory of Psychedelic Brain Effects | THELAST.NEWS