🎙 Episode premieres June 27th at 6AM PT on YouTube @cameronedwardbenton Connect With Dr. Andrew Hill : https://peakbraininstitute.com/about-pbi/ Psychedelics Increase Brain Plasticity, But at What Cost? Join neuroscientist Andrew Hill for a mind-stretching conversation exploring the surprising truth about brain plasticity and psychedelics. We delve into how substances like psilocybin and ketamine impact the brain, fostering neuroplasticity and offering a window for brain healing and rewiring. While psychedelics are showing immense potential for mental health, particularly in areas like depression psychedelics treatment brain, anxiety psychedelics neuroplasticity, and PTSD psychedelics brain repair, Hill emphasizes the crucial consideration of "at what cost?" Increased plasticity without the right environment can lead to hyper-sensitivity, triggering panic attacks, spiraling anxiety, and months of mental instability. Discover the latest in psychedelic neuroscience, including microdosing trends and neurofeedback, and understand why "set and setting" is more vital than ever for safe and effective psychedelic therapy. This isn't anti-psychedelics; it's a call for pro-awareness and a deeper understanding of psychedelic effects on brain function, brain regeneration psychedelics, and the intricate mechanisms of psychedelic brain changes for true cognitive enhancement. 🎙️ Don’t miss out! If you enjoyed this episode of Getting to Know You, hit the Subscribe button and turn on notifications 🔔 to stay updated on our latest deep-dive conversations. 💬 Join the conversation! Drop your thoughts, questions, or favorite insights in the comments below—we’d love to hear from you. ✨ Discover more: Explore untold stories, unique perspectives, and thought-provoking interviews. Check out our playlist for more inspiring episodes. Stay Connected with Us! We’d love to hear from you and share more amazing content. Follow us on our socials for exclusive updates, behind-the-scenes moments, and much more: 🌟 Instagram: Getting to Know You Podcast 💬 Facebook: Cameron Edward Benton 📖 Threads: @camedwardbenton 🎥 TikTok: @camedwardbenton 👉 Don’t miss out—click the links and follow us now to join our community! Your support means the world to us! Let’s get to know each other better. Stay curious! Keywords: Brain plasticity, psychedelics, neuroplasticity psychedelics, psychedelic brain rewire, psychedelics mental health, psilocybin neuroplasticity, LSD brain changes, MDMA plasticity, psychedelic therapy brain, ketamine neurogenesis, DMT brain function, psychedelic neuroscience, brain healing psychedelics, cognitive plasticity psychedelics, psychedelic effects on brain, neurogenesis psychedelics, synaptic plasticity psychedelics, psychedelic depression treatment brain, anxiety psychedelics neuroplasticity, PTSD psychedelics brain repair, addiction psychedelics brain changes, microdosing brain plasticity, psychedelic integration neuroplasticity, long-term psychedelic brain effects, research brain plasticity psychedelics, therapeutic psychedelics brain, hallucinogens brain plasticity, brain regeneration psychedelics, psychedelics cognitive enhancement, psychedelic mechanism of action brain
Episode Summary
This piece is drawn from a conversation I had on the Cameron Edward Benton podcast. You can watch the original conversation. What follows is my own clinical perspective from that discussion, on what psychedelics actually do to plasticity and why "more plasticity" is rarely the thing you need.
Does more brain plasticity actually help you?
You came in chasing change. You read that psilocybin and ketamine open a window for the brain to rewire, so you started microdosing, and you assumed more plasticity meant more healing.
Most of the time, you need shaping of the plasticity you already have, not more of it.
Plasticity is the brain's capacity to change its connections. Open that capacity wide without a structure to guide it, and the brain takes the changeability and moves it the wrong direction. I see this in people who are suffering, trying many things at once, and pushing plasticity as hard as they can. The system gets more changeable, and change is not the same as improvement.
A concrete case: someone with a strongly ADHD brain takes ketamine. Ketamine is a dissociative that releases slow activity. Theta brainwaves get pushed into high gear, and now that person has severe, stuck anxiety for months. The plasticity was there. The direction was wrong.
This is why I start by looking at the brain before reaching for the chemistry. A QEEG brain map shows you where the foundational issues sit and helps you reason about which interventions might fit your particular brain rather than a generic one.
Why does neurofeedback make drugs hit harder?
I work with a lot of hard-charging biohacker types, the finance and Silicon Valley crowd. Many of them walk in microdosing every day, usually psilocybin these days. Twenty years ago the same crowd was on modafinil. The substance changes; the impulse to push the brain harder stays the same.
Here is a pattern I see in the clinic, and it is a clinical observation rather than a controlled finding. Neurofeedback raises plasticity each session in a measurable way. When people keep microdosing while doing neurofeedback, the microdose quietly turns into a macrodose. The brain got more sensitive to the compound, and a dose that used to be mild is now a full experience.
The timing is fairly consistent. Around three to five weeks into brain training, often within a couple of days, the sensitivity resets. Cannabis hits three times harder than expected. Stimulants like Adderall land about twice as hard. Psychedelics can feel three, four, five times as strong. People come in confused: did I take two Adderall, did I have way too much weed, why can't I get off the couch? The dose did not change. The brain's response to it did.
If you are doing brain training, assume your tolerance for stimulants, cannabis, and psychedelics will drop. Adjust down, or hold off, and talk to whoever is overseeing your training.
What should you optimize before reaching for psychedelics?
I am not the person reaching for every research chemical, peptide, or novel intervention. I look at the brain first, then the foundation.
The foundation is sleep, stress, and attention. Before anything aggressive, I want to know what you are doing with your sleep, how you are handling stress and your fight-or-flight response, and where your attention regulation sits. These three move more than any exotic compound, and they move it reliably.
When you genuinely need more plasticity, meditation earns a more reliable form of it, and neurofeedback raises plasticity in a controlled, measurable way each session. You can read more on the mechanics in biohacking plasticity.
Psychedelics have real use cases. I reserve them for narrow situations, and only with a physician on board. I have a good friend here in LA who does serious clinical work with ketamine. I would not have someone I am working with running a lot of that without a real expert overseeing it, because when you are actively training the brain, the variables shift fast and what you need shifts with them.
Why does set and setting matter so much?
The old psychedelic principle of set and setting is more important than it sounds, because of what plasticity does to the experience. You are opening a high-plasticity window, and whatever environment and behavior surround that window get written in more deeply.
There is a harvest problem here. It is hard to pull the psychological learning out of more ecstatic or shamanic states. Those are ordeal environments. You come back somewhat transformed, and the trouble with a lot of Western shamanism is that people go out, have an enormous experience, and bring nothing back the next day. The experience happens. The integration does not.
How does alpha-theta neurofeedback open the same door?
For people drawn to that territory, the psychonauts looking for the next step or the deeper knowledge, I often use a different category of neurofeedback called alpha-theta, or alpha synchrony training.
The mechanism: alpha-theta training brings you to the hypnagogic state, the threshold between awake and asleep, and holds you there for around twenty minutes. The training nudges the EEG toward the boundary where alpha (the brain's idle rhythm, around 8 to 12 Hz) gives way to theta (the slower 4 to 8 Hz activity you see at sleep onset). Held at that edge, you get surges of nonlinear, insight-driven awareness. If you want the background on alpha specifically, see decoding alpha waves.
The experience is genuinely interesting, and it serves the same goals people chase with psychedelics. You open a door inside yourself, step through into the place where things are sparkly and strange, and then step back, without a heroic dose forcing you to stay there. You come out of a session a little loopy for five minutes, then walk around the rest of the day grounded.
With a macrodose, you are held in the state whether you are ready or not. With alpha-theta, you choose to enter and you can leave. Most of what people want from those drugs can be reached without them.
Can you reach these states without drugs or neurofeedback?
Yes, and a lot of it is about building a container and doing ritual inside it. Ritual expression means creating a sense of the sacred and then acting within it. That is set and setting that you build yourself.
The container can be a Phish concert, Burning Man, a sun dance ceremony, a sweat lodge. Each serves a different purpose, and within any one of them people do different things: some never stop dancing, some sit on a blanket, some take substances. The shared draw is the chance to practice the ecstatic experience, to loosen the linear shape of the mind and move from pure linear thought into the receptive, insight-driven, creative space. I will be honest about the limits of my knowledge here. I can tell you why these spaces attract us. I cannot tell you precisely what the brain is doing during them.
A few practices give you real access without distorting your awareness so much that you cannot learn from the experience: dance, concentration and absorption meditation (the absorption practices, not simple mindfulness), neurofeedback, intense exercise, and playing music at a high level with other people. That last one counts because it is rich nonlinear communication you participate in rather than observe.
Why does ecstatic experience matter at all?
I would not claim it matters for every individual. As a species, it carries deep learning, art, emotion, and healing, the parts of human experience that do not live in linear, transactional thought.
There is an old idea worth knowing, and I flag it as a hypothesis rather than established fact. Julian Jaynes, in The Origin of Consciousness in the Breakdown of the Bicameral Mind, proposed that early spiritual experience came from the non-dominant hemisphere sending language across to the dominant one. Temporal lobe epilepsy produces auditory hallucinations, and the speculation is that ancient people heard "God" as their non-dominant hemisphere speaking through something like an epileptic phenomenon. It is a provocative idea about brain laterality, and it remains an idea.
The practical point is simpler. We spend most of our waking lives in a linear mode: solving problems, watching screens, being sold to, earning, consuming. Think of the posture, all of us curled into a cashew shape at a desk. Kettlebells and yoga matter because they pull the body open and rebuild the posterior chain so you are not stuck folded forward. The ecstatic, nonlinear practices do the same thing for the mind. They irrigate abilities that the linear grind leaves dry, and they give you somewhere to go to release stored stress and old material.
Mircea Eliade described the shaman as someone who travels to extraordinary reality and returns to ordinary reality. The whole point is the return, coming back with insight. If the method to get there is so altering that you are not present enough to learn, you arrive home with a cool memory and no growth. Choose the method that gets you the access while leaving you present enough to harvest it.
If you want to understand your own brain before deciding which of these paths fits, start with a brain map and the foundations. Get your sleep, stress, and attention in order, look at where your plasticity actually sits, and add the more powerful tools only with the right support around you.