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cover of episode How Psilocybin Can Rewire Our Brain, Its Therapeutic Benefits & Its Risks

How Psilocybin Can Rewire Our Brain, Its Therapeutic Benefits & Its Risks

2023/5/8
logo of podcast Huberman Lab

Huberman Lab

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A
Andrew Huberman
是一位专注于神经科学、学习和健康的斯坦福大学教授和播客主持人。
Topics
Andrew Huberman: 本期播客深入探讨了裸盖菇素(psilocybin)的化学成分、作用机制、临床应用以及安全风险。裸盖菇素通过模拟血清素,选择性激活5-羟色胺2A受体,从而引发神经可塑性变化,改善情绪、认知和行为模式。临床试验表明,裸盖菇素在治疗抑郁症、成瘾等疾病方面具有显著疗效,但其使用也存在风险,尤其对于有精神病史或家族史的人群、年轻人以及服用某些药物的人群。有效的裸盖菇素治疗需要考虑剂量、环境和心态等因素,并有专业的陪护人员在场。 Andrew Huberman: 裸盖菇素体验中,知觉融合和联觉等现象较为常见,而‘大洋般无限’的体验与治疗效果呈正相关。焦虑感则与治疗效果呈负相关,因此在体验过程中控制焦虑至关重要。研究表明,裸盖菇素主要通过增加神经元连接或减少不良连接来改变大脑回路,这可能是其治疗作用的机制。 Andrew Huberman: 目前,裸盖菇素治疗抑郁症的研究结果最为令人兴奋,临床试验表明其疗效远高于传统抗抑郁药物和心理治疗。然而,裸盖菇素的使用仍需谨慎,并应在专业人士的指导下进行。

Deep Dive

Chapters
This chapter introduces psilocybin, its chemical structure, and its mechanism of action at the cellular and neural circuit levels. It explains psilocybin's role in triggering neuroplasticity and its potential therapeutic applications for various mental health issues.
  • Psilocybin's main effect is to mimic serotonin.
  • It activates a subset of serotonin receptors, leading to neuroplasticity.
  • Psilocybin is a schedule one drug and is illegal in most of the United States.

Shownotes Transcript

In this episode, I discuss what psilocybin is (chemically) and how it works at the cellular and neural circuit level to trigger neuroplasticity, which is our brain’s ability to rewire itself in ways that lead to long-lasting shifts in our emotional, cognitive and behavioral patterns and abilities. I discuss the emerging clinical trial evidence for the use of psilocybin in the treatment of depression, addictions and other psychiatric challenges. I explain the typical duration and phases of a psilocybin journey, the different categories of dosages often used and I explain the importance of set, setting and support when using psychedelics. I explain which groups of people place themselves at great risk by taking psilocybin as well as groups that could benefit, and I highlight the rapidly changing legal and medical landscape around psilocybin. This episode is a thorough exploration of psilocybin from the scientific and clinical literature perspective and ought to be of interest to anyone curious about psilocybin, mental health, neuroplasticity and/or psychedelics more generally.

For the full show notes, visit hubermanlab.com).

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Timestamps

(00:00:00) Psilocybin, Legal Considerations

(00:08:48) Sponsors: LMNT & Waking Up

(00:12:00) Psilocybin Becomes Psilocin in the Gut, Serotonin

(00:17:00) The Serotonin 2A Receptor, Therapeutic Outcomes SSRIs vs. Psilocybin

(00:21:40) Serotonin Receptor Expression; Visual Hallucinations & Eyes Closed

(00:26:02) Sponsor: AG1

(00:27:21) Safety & Cautions for Specific Patient Populations

(00:30:28) Psilocybin, “Magic Mushrooms” Dosing, Micro-Dosing, “Heroic Doses”

(00:36:21) Psychedelic Journey: Set, Setting & Support

(00:43:43) Music & the Psilocybin Journey; Duration of Effects

(00:48:58) Psilocybin & the Brain: Subjective Experiences, Perception

(00:59:48) Brain Networks & Therapeutic Outcomes

(01:05:23) Creativity; Music, Emotionality & Psychedelic Journeys

(01:12:39) Depression & Psychedelics as Neuroplasticity “Wedge”

(01:16:53) Positive Psychedelic Journeys, Unity, “Oceanic Boundlessness”

(01:25:23) “Bad Trips”, Anxiety & Physiological Sighs

(01:32:57) Therapeutic Use of Psilocybin

(01:36:11) Neuroplasticity, Structural Brain Changes & Psilocybin

(01:48:08) Psychedelics: Therapeutic Breakthroughs & Depression

(01:56:37) Combining Psilocybin Therapy & Talk Therapy, Antidepressant Effects

(02:03:11) Psilocybin Experience & Mental Health

(2:06:42) Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous, Neural Network Newsletter, Social Media

Title Card Photo Credit: Mike Blabac)

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