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Know Thyself

E199 - Dr. Caroline Leaf: How to Stop Your Brain From Holding You Back

16 Jun 2026

Transcription

Transcript generated automatically by AI and may contain errors.

Chapter 1: What is the main topic discussed in this episode?

0.031 - 5.003 Dr. Caroline Leaf

give you feeling very anxious or stressed out. You feel that in your body. That's your mind talking, not your brain.

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Chapter 2: What is the difference between the mind and the brain?

5.083 - 10.696 Dr. Caroline Leaf

Your mind is the superpower. A lot of people think the brain is boss, but there's no science to back that up.

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10.716 - 15.407 André Duqum

It feels like most people experience life as almost like a victim of their own brain.

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15.387 - 18.913 Dr. Caroline Leaf

I had clients that were literally written off by neurologists as vegetable.

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Chapter 3: Why is the brain-boss model considered incorrect?

18.933 - 36.061 Dr. Caroline Leaf

Within eight months, they were finishing school, going on to university. That's when I really saw that, wow, mind really does change the physical. And yet, it was pushed aside as pseudoscience. Coming to mental health, the biomedical models tie people into disease diagnoses that limit people. You can't have depression.

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Chapter 4: How does consciousness extend beyond the physical body?

36.081 - 38.606 Dr. Caroline Leaf

You can't have schizophrenia. They are signals.

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Chapter 5: What role do quantum physics and microtubules play in understanding the mind?

38.706 - 40.669 Dr. Caroline Leaf

There's a because of behind that.

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40.767 - 43.892 André Duqum

What kind of world would we live in if someone knew how to regulate their nervous system?

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43.912 - 56.189 Dr. Caroline Leaf

It's fundamental. I had to have something practical. And that's where the neuropsycho was birthed. We saw significant changes, 35 to 75%. Once you start doing it, it changes your life. I wish I knew about this when I was at school. I wish I knew then what I know now.

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Chapter 6: How can neuroplasticity aid in healing traumatic brain injuries?

57.672 - 65.543 Dr. Caroline Leaf

We just need 60 seconds. It creates enough of a pause to be able to stand back and observe. So the first step is gather awareness. The second step is...

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71.328 - 84.493 André Duqum

Hey everyone, welcome back to the Know Thyself podcast. Our guest today is a cognitive neuroscientist and best-selling author. For over four decades, she's been studying the connection and the differences between the mind and the brain.

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84.963 - 110.025 André Duqum

Her work in psychoneurobiology has been over 40 plus years exploring the deep ties into behavior change and to healing brain injuries and trauma and at a time when neuroplasticity was just emerging as a field of study. Dr. Carolyn Leaf, such a pleasure to have you here.

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110.005 - 118.322 Dr. Caroline Leaf

Oh, thank you, Andrea. I've been so looking forward to this and it's such a pleasure to actually finally meet you. I've watched you a lot and I love your show. Thank you for having me on.

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118.823 - 137.711 André Duqum

It's great. It's great. It's joy. I love getting to meet people outside of the fruitful conversations that we get to have. And your work is so fascinating and you've been devoted to it for so long. How would you articulate what the essence of your work is aiming to share with the world at this stage of your life?

137.952 - 154.963 Dr. Caroline Leaf

I love that question. Yeah, it's been 44 years now that I've been doing this. And I think the essence is to help people to understand what the mind is and the difference to the brain. Because we live in such a physicalist, materialistic world that's just so consumed physically. with the whole neurocentric approach to brain, brain, brain.

155.464 - 175.602 Dr. Caroline Leaf

And we've lost so much of our humanity in that process and got so out of touch with the deeper things, the spiritual things, philosophy, what consciousness is, and it's affected people's mental health. So I really try and that's my whole field of study, but try and open people's minds to understanding that in a very practical way. Yeah.

175.582 - 185.83 Dr. Caroline Leaf

I love the philosophy side, which is so important, but helping people know how to do, not just talk about it, but actually understand how to manage their mind and how to apply that.

Chapter 7: What are the five steps of the Neurocycle?

186.17 - 205.242 André Duqum

Yeah, applied philosophy. For most people... we think the mind and the brain are sort of interchangeable terms and you make a clear distinction. So I think it's really important to set our definitions. That way we know what we're talking about throughout this whole conversation and then we can dive deeper. So what is the difference between the mind and the brain from your conception?

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205.523 - 208.048 Dr. Caroline Leaf

My favorite question and the first question I'm always asked.

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208.069 - 208.71 André Duqum

Yeah.

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208.69 - 227.374 Dr. Caroline Leaf

Especially in this time frame. Okay, so your mind is pretty much 99% of who you are. It's you. It's all your you-ness, your aliveness, your ability to think, feel, choose. Your brain and body are the physical organs that the mind codes life into and uses for you to physically show up.

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227.354 - 243.945 Dr. Caroline Leaf

So they're very much, not even so much more than storage, but they are the things that are coded to help you function physically. So your mind drives everything. It drives your physiology, your neurology, and your psyche, your whole mind. And it's got different divisions.

243.925 - 261.066 Dr. Caroline Leaf

So that's what people don't really get is the different divisions of mind because people often hear the word consciousness or, and as you say, they use the word mind-brain interchangeably and then consciousness is this kind of elusive concept somewhere out there. So I try and make that very clear. So the brain doesn't think, the brain can't generate.

261.607 - 277.447 Dr. Caroline Leaf

The brain just simply responds to the stimulation received by the mind. The mind is doing all the processing, all the thinking, everything we're doing now. And we're using our brain and literally coding it into our brain. And that happens fast.

Chapter 8: How can we change the impact of our past on our present?

277.547 - 298.376 Dr. Caroline Leaf

I mean, it's around about 400 billion actions per second just in the neurons that are happening. And our mind is even way faster than that. So it's almost hard for people to picture. So I always just say, as a simple analogy, would be something like if you think people understand if you... If you're hungry, you eat. And when you eat, that changes your body.

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298.416 - 316.956 Dr. Caroline Leaf

It changes your cells and you get energy. And if you eat healthy, you feel the difference. If you don't, you... So if you think of that like that concept, the way that food, you think you're hungry, you think about food, you choose the food, you put it in your body, it changes your body. It's a little bit of an analogy. It's not quite as deep, but it gives people an idea.

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316.997 - 338.547 Dr. Caroline Leaf

The mind is like the food that we choose and then put it into the brain and the body, but it's thought and it changes the brain and the body. So the mind is doing the changing. The brain is doing the responding, and that makes sense. And it's quite a hard thing for people to picture because where it comes into, I think, where it comes into more clarity is

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338.527 - 354.477 Dr. Caroline Leaf

is if you think about thoughts, what thoughts are and that thoughts are real things and that they have structural change. And that's where the whole neuroplasticity concept comes in. So the easiest way, another sort of easy analogy is to think if you're feeling very anxious or stressed out or

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354.457 - 373.79 Dr. Caroline Leaf

in not managing something you feel that in your body you feel your body tense up you feel over time if you don't manage thoughts or whatever it may be that you're dealing with you can feel that physical change so it's also one way of thinking of it what we do with our mind how we look at life how we're reacting to things that's all mind stuff And that goes into our brain and our body.

373.83 - 387.908 Dr. Caroline Leaf

So if it's not managed properly, because our brain and body are literally wired for love. And if we don't manage that properly, we feel that in our body physically because the brain and body aren't thinking. They're just responding.

389.75 - 415.785 André Duqum

It feels like most people... experience life as almost like a victim of their own brain especially because we have more opportunities now than ever or pitfalls if you want to call it that to have our biology our neurology hacked in so many different ways and this overstimulated culture that we live in So why is that distinction important?

416.246 - 422.155 André Duqum

Because it feels like you're getting at the essence of who somebody is more when you speak about the mind being very distinct from the brain.

422.175 - 438.379 André Duqum

If somebody were to really understand that and then threw up this whole conversation, get a clear understanding, not just philosophically, but like ontologically, internally, actually experience and understand the difference between the two, what kind of impact and ripple would that carry out in their life?

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