Psilocybin rapidly rewires mouse brain circuits without causing hallucinations
University of California Santa Cruz researchers published findings on psilocybin's rapid effect on neural connections in mice on October 15.
New connections form quickly
The study found that the drug encourages brain cells to create new links between nerve cells. These newly formed connections also mature rapidly after exposure to the substance. The process involves removing older connections while strengthening others simultaneously.
Stress effects differ by state
Researchers observed distinct differences in how healthy mice and chronically stressed mice responded to the compound. Psilocybin helped repair brain circuits damaged by prolonged stress in the animal models tested. The cellular changes occurred independently of the behavioral responses usually linked to psychedelic experiences.
Potential for mental health
Scientists hope these findings will lead to treatments that capture benefits without producing hallucinations. The ability to trigger rewiring without typical psychedelic effects offers a new therapeutic avenue. This approach targets specific neural pathways damaged by long-term stress conditions.
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