How Psilocybin Changes Your Personality: The Openness Effect

Psilocybin is the only substance known to produce lasting changes in personality — specifically, dramatic increases in 'openness to experience.'

Dr. Sarah Chen, PhD

Neuropharmacologist · Johns Hopkins University · Reviewed for accuracy

March 31, 20261 reads✓ Peer-reviewed sources

<h1>How Psilocybin Changes Your Personality: The Openness Effect</h1><div style="background:#f0fdf4;border-left:4px solid #16a34a;padding:16px 20px;margin-bottom:24px;border-radius:4px;"><strong>Direct Answer:</strong> Psilocybin is the only substance known to produce lasting personality changes. A Johns Hopkins study found a single high-dose session produced significant, lasting increases in "openness to experience" — persisting for over 14 months.</div><h2>The Johns Hopkins Personality Study</h2><p>2011 study: a single high-dose psilocybin session produced increases in "openness to experience" persisting for over 14 months, with magnitude larger than typically seen over decades of normal adult development.</p><h2>What "Openness to Experience" Means</h2><p>Curiosity and intellectual engagement, aesthetic sensitivity, imagination and creativity, tolerance for ambiguity, and emotional depth. People high in openness tend to be more creative, more empathetic, and more psychologically flexible.</p><div style="background:#1a0a2e;border:2px solid #7c3aed;border-radius:12px;padding:24px;margin:32px 0;text-align:center;"><p style="color:#e9d5ff;font-size:1.1em;margin-bottom:16px;font-weight:600;">Ready to experience the difference for yourself?</p><a href="https://secret.shrooomz.com/tabloid-checkout" style="background:#7c3aed;color:#fff;padding:14px 32px;border-radius:8px;text-decoration:none;font-weight:700;font-size:1.05em;display:inline-block;">Try Transformation Shrooomz →</a></div><h2>FAQ</h2><h3>Does psilocybin change other personality traits?</h3><p>Some studies also show decreases in neuroticism and increases in agreeableness. The changes are generally positive and associated with improved well-being.</p>

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Frequently Asked Questions

Does psilocybin change personality?

Yes. Psilocybin is the only substance known to produce lasting personality changes. A Johns Hopkins study found a single high-dose session produced significant, lasting increases in 'openness to experience' — persisting for over 14 months.

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This article is for informational purposes only and does not constitute medical advice. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before making any changes to your health regimen.