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About the guest: Joshua Siegel, MD, PhD is a psychiatrist & systems neuroscience at New York University. He uses functional imaging to study the effects of psychedelics and other drugs on the human brain.

Episode summary: Nick and Dr. Siegel discuss: fMRI and how it works; relationship between neural activity and blood flow; functional connectivity & the default mode network of the human brain; the functional effects of psilocybin on the brain; the role that subjective & expectancy effects in psychedelics medicine; and more.

Related episodes:

• M&M #173: Psychedelics, Consciousness, Psychiatry, Psychology, Mental Health & the Entropic Brain Hypothesis

*This content is never meant to serve as medical advice

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