How psychedelics affect your brain | Podcast Clips

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you touched on a couple of points here that  we could go on and on.

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That are very, very close to my kind of my rap, if you will.

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This  idea of the filtering effect.

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Aldous Huxley first articulated it, that it was the reducing valve.

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Ordinary consciousness, you're absolutely right, is only possible because of these filtering  mechanisms.

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And the current buzzword in is the default mode network.

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And this is a set of  sort of mechanisms that keep us within a certain realm of ordinary consciousness essentially.

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Because I like to call it the reality hallucination, in a certain way.

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Because the  reality hallucination is something that the brain takes in information from the outside, processes  that with associations and memories and all sorts of things inside. Inside, outside.

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These terms are  very tricky, but for the moment we can use them.

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And it comes up with a model of reality.

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And  the model of reality is an impoverished model.

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And the reason it is is because it's there  have been all these selective filters applied.

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Because if everything came through, it'd  just be a blooming, buzzing confusion.

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So the brain selectively filters what  comes in, constructs a comprehensible model of reality.

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That's what we call the default  mode network or the reality hallucination. It is a model. It's not reality.

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Reality is  out there somewhere, but it's some sort of representation of reality that makes it possible  for us to function.

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What psychedelics do is they temporarily disable the default  mode network. They just blow it apart.

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And your model of reality collapses.

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And all of this information can then come in and be experienced and is accessible.

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And that can be very scary, but it can also be very useful.

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Because, in this default mode  network, habitual behaviors and thoughts and so on, can become installed.

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And you can  get into feedback loops that are destructive.

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That really need to be blown away.

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And that's  what the psychedelics can do.

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It's literally, I think, in very much ways, it's literally  like rebuilding, rebooting your computer.

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You know how your computer can get all glitched  up and it runs slower and there are problems. And so on.

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You reset that thing and it runs smoother.

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The same thing goes on with the psychedelics.

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And because the default mode network the brain and  the body, the brain, it's going to reestablish itself.

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It's going to fall back together.

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You're  not destroying it.

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You've temporarily disabled it, but that equilibrium will reestablish itself.

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And it will reestablish itself in a way that a lot of the clutch that has built up has been  eliminated.

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So it runs more smoothly literally.

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And I think the therapeutic utility of  psychedelics is that, because they let you step out of this reference frame, they let you  step out of this personal reference frame and look at your issues from a different perspective  temporarily.

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So your depression, your PTSD, your addiction, whatever the problem is.

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And, of  course it's usually a complex picture.

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Usually if you're depressed, there are other things going  on.

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They don't happen just one thing.

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But it lets you look at whatever is contributing to your  unhappiness and your mental disorder.

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And from a perspective that, by just being able to step  out of it temporarily, in effect, you defuse it.

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And you can come back into ordinary reality  with this sort of reconstructed ...

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It's really like taking the engine into the  shop and, "Hey, give me a tune up."