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Ketamine: Benefits and Risks for Depression, PTSD & Neuroplasticity

Huberman Lab

The Huberman Lab podcast is hosted by Andrew Huberman, Ph.D., a neuroscientist and tenured professor in the department of neurobiology, and by courtesy, psychiatry and behavioral sciences at Stanford School of Medicine. The podcast discusses neuroscience and science-based tools, including how our brain and its connections with the organs of our body control our perceptions, our behaviors, and our health, as well as existing and emerging tools for measuring and changing how our nervous system works.
Huberman has made numerous significant contributions to the fields of brain development, brain function, and neural plasticity, which is the ability of our nervous system to rewire and learn new behaviors, skills, and cognitive functioning. He is a McKnight Foundation and Pew Foundation Fellow and was awarded the Cogan Award, given to the scientist making the most significant discoveries in the study of vision, in 2017. 
Work from the Huberman Laboratory at Stanford School of Medicine has been published in top journals, including Nature, Science, and Cell, and has been featured in TIME, BBC, Scientific American, Discover, and other top media outlets.
In 2021, Dr. Huberman launched the Huberman Lab podcast. The podcast is frequently ranked in the top 10 of all podcasts globally and is often ranked #1 in the categories of Science, Education, and Health & Fitness.

In this episode, I explain how ketamine causes rewiring of brain circuits and dissociative states to relieve symptoms of depression and post-traumatic stress disorder (PTSD). I explain how ketamine impacts both the brain’s glutamate and its endogenous opioid pathways, which together regulate mood and well-being. I discuss how ketamine therapy is used clinically to treat major depression, bipolar depression, obsessive-compulsive disorder (OCD), suicidality and other psychiatric challenges. I also describe how ketamine causes the subjective effects of dissociation and euphoria and, at higher doses, is an anesthetic. I compare the different routes of ketamine administration, dosages and forms of ketamine, and if micro-dosing ketamine is effective. I also highlight the potential risks of recreational ketamine use (and the colloquial term ‘K-holes’). This episode should interest anyone interested in ketamine, treatments for depression, neuroplasticity mechanisms, psychiatry and mental health.
For the full show notes, visit hubermanlab.com.
Thank you to our sponsors
AG1: https://drinkag1.com/huberman
ROKA: https://roka.com/huberman
Eight Sleep: https://eightsleep.com/huberman
LMNT: https://drinklmnt.com/huberman
Supplements from Momentous
https://www.livemomentous.com/huberman
Timestamps
(00:00:00) Ketamine
(00:02:29) Sponsors: ROKA & Eight Sleep
(00:05:13) Ketamine & PCP; Clinical & Recreational Use
(00:09:00) Depression & Current Treatments
(00:15:17) Preclinical Models of Depression & Ketamine; “Learned Helplessness” 
(00:22:11) Ketamine & Clinical Uses; Depression & Suicidality 
(00:28:32) Ketamine & Other Psychiatric Challenges; Relief & Durability 
(00:33:24) Sponsor: AG1
(00:34:29) NMDA Receptor & Neuroplasticity
(00:41:36) Excitatory & Inhibitory Communication, Seizure, NMDA Receptors & Ketamine
(00:48:26) How Ketamine Functions in Brain; Acute & Long-Term Effects
(00:55:36) Brain-Derived Neurotrophic Factor (BDNF) & Ketamine Therapy
(01:02:28) Sponsor: LMNT
(01:03:40) Ketamine & Opioid Pathway 
(01:10:00) Divergent Mechanisms of Immediate & Long-Term Effects
(01:15:45) Habenula, Pro-Depressive Behaviors & Ketamine Therapy
(01:20:36) Ketamine & Context-Dependent Strategy; Reward Pathway
(01:22:45) Dissociative States
(01:26:04) Doses & Routes of Administration; “K-holes”; Risk & Caution
(01:32:25) Ketamine Forms; R-, S- vs R/S- Ketamine; Micro-Dosing
(01:38:24) Ketamine: Effects & Therapy
(01:40:40) Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous, Social Media, Neural Network Newsletter
Title Card Photo Credit: Mike Blabac
Disclaimer

In this episode, I explain how ketamine causes rewiring of brain circuits and dissociative states to relieve symptoms of depression and post-traumatic stress disorder (PTSD). I explain how ketamine impacts both the brain’s glutamate and its endogenous opioid pathways, which together regulate mood and well-being. I discuss how ketamine therapy is used clinically to treat major depression, bipolar depression, obsessive-compulsive disorder (OCD), suicidality and other psychiatric challenges. I also describe how ketamine causes the subjective effects of dissociation and euphoria and, at higher doses, is an anesthetic. I compare the different routes of ketamine administration, dosages and forms of ketamine, and if micro-dosing ketamine is effective. I also highlight the potential risks of recreational ketamine use (and the colloquial term ‘K-holes’). This episode should interest anyone interested in ketamine, treatments for depression, neuroplasticity mechanisms, psychiatry and mental health.
For show notes, including referenced articles and additional resources, please visit hubermanlab.com.
Use Ask Huberman Lab, our new AI-powered platform, for a summary, clips, and insights from this episode.
Thank you to our sponsors
AG1: https://athleticgreens.com/huberman
LMNT: https://drinklmnt.com/hubermanlab
Waking Up: https://wakingup.com/huberman
Momentous: https://livemomentous.com/huberman
Timestamps
(00:00:00) Ketamine
(00:02:46) Sponsors: LMNT & Waking Up
(00:05:13) Ketamine & PCP; Clinical & Recreational Use
(00:09:00) Depression & Current Treatments
(00:15:17) Preclinical Models of Depression & Ketamine; “Learned Helplessness” 
(00:22:11) Ketamine & Clinical Uses; Depression & Suicidality 
(00:28:32) Ketamine & Other Psychiatric Challenges; Relief & Durability 
(00:33:40) Sponsor: AG1 (Athletic Greens)
(00:34:29) NMDA Receptor & Neuroplasticity
(00:41:36) Excitatory & Inhibitory Communication, Seizure, NMDA Receptors & Ketamine
(00:48:26) How Ketamine Functions in Brain; Acute & Long-Term Effects
(00:55:36) Brain-Derived Neurotrophic Factor (BDNF) & Ketamine Therapy
(01:03:40) Ketamine & Opioid Pathway 
(01:10:00) Divergent Mechanisms of Immediate & Long-Term Effects
(01:15:45) Habenula, Pro-Depressive Behaviors & Ketamine Therapy
(01:20:36) Ketamine & Context-Dependent Strategy; Reward Pathway
(01:22:45) Dissociative States
(01:26:04) Doses & Routes of Administration; “K-holes”; Risk & Caution
(01:32:25) Ketamine Forms; R-, S- vs R/S- Ketamine; Micro-Dosing
(01:38:24) Ketamine: Effects & Therapy
(01:40:40) Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous, Social Media, Neural Network Newsletter
Disclaimer
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