In this episode of Huberman Lab Essentials, my guest is ⁠Dr. Karl Deisseroth, M.D., Ph.D.⁠, a clinical psychiatrist and professor of bioengineering and of psychiatry and behavioral sciences at Stanford University. We discuss his experiences as a clinician treating complex psychiatric conditions and his lab’s pioneering work in developing transformative therapies for mental illness. He explains the complexities of mental illness and how emerging technologies—such as optogenetics and brain-machine interfaces—could revolutionize care. We also explore promising new therapies, including psychedelics and MDMA, for conditions like depression and PTSD. Episode show notes: https://go.hubermanlab.com/0M1gSQ0 Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes. Watch the full-length episode: https://youtu.be/w9MXqXBZy9U Watch more Huberman Lab Essentials episodes: https://youtube.com/playlist?list=PLPNW_gerXa4OGNy1yE-W9IX-tPu-tJa7S *Follow Huberman Lab* Instagram: https://www.instagram.com/hubermanlab Threads: https://www.threads.net/@hubermanlab X: https://twitter.com/hubermanlab Facebook: https://www.facebook.com/hubermanlab TikTok: https://www.tiktok.com/@hubermanlab LinkedIn: https://www.linkedin.com/in/andrew-huberman Website: https://www.hubermanlab.com Newsletter: https://www.hubermanlab.com/newsletter *Dr. Karl Deisseroth* Stanford academic profile: https://profiles.stanford.edu/karl-deisseroth Website: http://deisseroth.com Lab website: https://dlab.stanford.edu Projections: A Story of Human Emotions (book): https://amzlink.to/az0jxcLUA11Dj X: https://x.com/KarlDeisseroth *Timestamps* 00:00:00 Karl Deisseroth; Neurology vs Psychiatry 00:01:36 Speech; Blood Test?; Seeking Help 00:04:20 Feelings, Jargon; Psychiatric Treatment 00:09:40 Future Treatment; Vagus Nerve Stimulation, Depression, Optogenetics 00:18:24 Brain-Machine Interfaces 00:19:37 ADHD Symptoms, Lifestyle, Technology 00:26:10 Psychedelics, Depression Treatment, Risks 00:32:19 MDMA (Ecstasy), Trauma & Post-Traumatic Stress Disorder (PTSD) Treatment 00:35:21 Projections: A Story of Human Emotions Book, Optimism Disclaimer & Disclosures: https://www.hubermanlab.com/disclaimer