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# Spotlight: How Ketamine Acts on the Brain - Microtubules & An Orch-Or Perspective
- URL: https://psychedelicmentalhealth.net/ketamine-brain-microtubules/
- Published: 2026-08-02T13:50:11.000Z
- Updated: 2026-08-02T13:50:11.000Z
- Description: Ketamine has a psychedelic effect and an anesthetic modulation of brain microtubules. How this mechanism works, according to the principles of the Orchestrated Objective Reduction, shared by the Penrose-Hameroff (Orch-OR) consciousness model.
- Author: Michael DeMarco, PhD
- Tags: ketamine, microtubules

[Spotlight: Ketamine, “Quantum Psychiatry”, ConsciousnessOn Ketamine Near-Death Experiences, Near-Birth Experiences, The Quantum Mind, and Death-Rebirth Psychotherapy and the Nature of Consciousness![](https://storage.ghost.io/c/61/a8/61a8484e-df24-47fb-903c-d012ff10c983/content/images/icon/eye-sticker-3-9af5707f-46dd-4815-97a5-251a67f228c0.gif)Psychedelic Mental HealthMichael DeMarco, PhD![](https://storage.ghost.io/c/61/a8/61a8484e-df24-47fb-903c-d012ff10c983/content/images/thumbnail/screenshot-www_youtube_com-2025_01_04-07_05_19-a9f922db-4580-4f42-9559-5f315c3de017.png)](https://psychedelicmentalhealth.net/spotlight-ketamine-and-quantum-psychiatry/)