Study Re-evaluates Brain Network Changes Under Psychedelics
New research suggests psychedelic substances may not cause random brain chaos as previously thought. Findings indicate a more organized, structured alteration in brain connectivity.

A recent study is challenging the long-held view that psychedelic drugs induce chaos in the brain. For years, the prevailing understanding was that psychedelics cause brain networks—stable patterns of neural communication—to loosen and interact in a disorganized, chaotic manner.
The research, published in Nature, involved scanning the brains of 62 individuals who had never used psychedelics before, after administering 19 milligrams of psilocybin. Analysis using artificial intelligence revealed that the changes in brain connectivity were not random but exhibited a new form of organization.
According to the researchers, this organized alteration offers a more plausible explanation for the meaningful experiences, insights, and positive psychological shifts often reported by individuals under the influence of psychedelics. The previous chaos model failed to adequately account for these outcomes.
The study, dubbed PsiConnect, suggests that the brain's response to psychedelics is more structured than previously understood, potentially paving the way for further investigation into therapeutic applications.