SYSK TRENDING - Understanding Physical Intelligence

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1:35It's called physical intelligence. Your brain's remarkable ability to control your body, adapt to new situations, and perform incredibly complex movements without you even thinking about them. In today's world, where many of us spend hours staring at screens and moving less than ever before, understanding and improving this ability may be more important than you realize. That's why today's SYSK trending topic is Understanding Physical Intelligence. Here to explain what physical intelligence is, how it works, and how you can make yours better is neuroscientist Dr. Scott Grafton. It's a fascinating discussion, which we'll get to right after this.

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4:00You have something called physical intelligence. Some people call it muscle memory. So when you learn to ride a bike or play tennis, the next time you do those activities, you don't have to start all over again learning how to ride a bike or play tennis. That ability stuck with you. That's your physical intelligence. And there's more to it than that. Scott Grafton wrote the book on physical intelligence. In fact, his book is called Physical Intelligence, the Science of How the Body and Mind Guide Each Other Through Life. Scott teaches neuroscience at the University of California at Santa Barbara, and he is director of the UCSB Brain Imaging Center.

4:40Hi, Scott. So explain a little more about what you're talking about here with physical intelligence. What I'm talking about has been all the complexity it takes to move in the world. And most of it's stuff we absolutely take for granted. Walking is a big one. Walking on surfaces is a huge issue. It's just how we acquire skills and deftness and coordination and grace and how we actually in our minds calculate efficiency. All these are things that are really intrinsic to physical intelligence and key ingredients. And where does physical intelligence come from? we're sort of a weird species now in that you know we we came from rough and tumble histories up until about a thousand years ago there were no sidewalks there were no roads it was a rough environment that we moved through and that's what we've been really evolved and designed to do is handle complex natural environments and you put us in those environments and we're a beautiful species.

5:50We actually do really, really well. Any one of us can get up if we don't have a physical injury. Any adult can get up right now, walk out the door and walk a marathon. They can walk 26, 30 miles nonstop, no problem. That's just, it's built into us. And yet we've sort of forgotten that. Now the only people who we think of as being physically capable are either exercise nuts or elite athletes when in fact this is that so these are these are ingredients that are all of us we're all actually incredibly physically intelligent any of us can learn to play a musical instrument pretty well same with a lot of sports craftsmanship skills things like that we're all pretty good at that we're also really good at unlearning things we're really good forgetters physically.

6:43And if you don't believe me, if you're living in an icy environment, every winter that first day when there's ice on the sidewalk, everybody forgets the number of arm fractures, skyrockets. Everybody's falling down left and right as soon as the weather gets bad. So we're always doing this learning. We're always doing this forgetting. And that's really important if you're going to plan strategies for healthy aging and healthy fitness. You know, we're in a culture now where we think that health comes from a treadmill or a stationary bicycle. And granted, that's better than nothing, right? But that's not really what we evolved to do.

7:29Nobody evolved to jog on a treadmill. We, as a species, we're really designed for complex physical engagement. So when I think of physical intelligence, what immediately came to mind when I saw this topic was riding a bike. Because when you learn to ride a bike, you never forget pretty much how to ride a bike. Is that physical intelligence? Oh, absolutely. And there's multiple levels. There's the basic program for riding a bike. and that never goes away. But the reality is if you haven't been on a bike for 10 years, at a sort of a more subtle level, if you look carefully, there is some physical intelligence that does require relearning.

8:14You've got to tune yourself up a little bit to fit that bike to sort of match what it needs you to do. And so even though you remember motor programs and skills, you always need to tune them up a little bit. even our walking, you know, each time you take steps, you are, you're sort of micromanaging your cadence, your stride length, so you can be maximally efficient in each of your movements. It's a, so you know how to walk, but at the same time, you're always adjusting. It's the same with the bicycle. Why do you think this is important to talk about? I mean, it's interesting, but it is what it is.

8:54Why is physical intelligence a topic for discussion? We're in a society right now where we're really focused on a fear of dementia and forgetting. But if you actually look at disability that patients have, it's overwhelmingly dominated by inabilities to move. So anything we can do to recognize the intelligence that creates movement and the strategies we can adopt to preserve movement become really important. And that's no matter how old you are, whether it's a little kid with a muscular dystrophy or an old person with a stroke. So that's sort of the disease perspective. And then in the health perspective, for those of us who are just trying to stay healthy and strong, physicality, especially in complex environments, is incredibly beneficial for our mind, emotion, and well-being.

9:47And so this is a big question right now. Why is it that a walk on the beach through a bumpy terrain is a thousand times more satisfying than a walk, you know, on a concrete sidewalk through a suburb? Right. If we can't explain sort of the both the pleasure and the mental health benefits you get from those natural environments, we are where we are allowed to be our normal physical selves. You know, we're kind of missing something. You sometimes hear trainers, physical trainers, talk about muscle memory. Is that the same thing as physical intelligence? The muscles have no memory. And so they're being really sloppy in their terminology.

10:29And it's a shorthand. And it confuses people because your muscles are as dumb as a brick. I mean, they'll get stronger and they'll get quicker, but they don't remember movement. Your brain and your spinal cord are where you remember your movements. And what they're really talking about is kinds of movements that your brain has programs for that are incredibly automatic. So riding a bicycle is a motor memory, right? I don't need to engage my cognition, my thinking mind to really manage that. What happens is your brain is designed in a clever way in that you've kind of set up these firewalls so that your mind actually doesn't have, your conscious mind doesn't have very good access to a lot of your movements, doesn't have access to your control of blood pressure either or heart rate.

11:25If it did, you might accidentally kill yourself tinkering around just by thinking too much. So we protect ourselves in some ways with these firewalls. walls. And the other thing it does is it allows us to walk and think at the same time, right? That's a beautiful thing. I can stroll down the street and have a conversation and not have to micromanage what my legs are doing. So that's all in the realm of muscle memory. And athletes and trainers are always trying to essentially improve the fluidity and grace and precision that's inherent to whatever motor program they're interested in. Is there any sense that a championship golfer who has this great golf swing is any different than anybody else?

12:13He just has managed to just figure this out. I mean, are people different, or does everybody have the same potential of physical intelligence? I like to joke that everybody can get everybody can get a B plus in any physical activity if they work at it hard enough to get to get an A or an A plus. You're usually then hoping you've got big lungs if you're a bicyclist or strong hands if you're a climber, what have you. Right. Or you're tall, play basketball. There's some things that are clearly going to be genetic. but that doesn't mean the rest of us cannot do that activity all of us can learn to play basketball and most of us can learn to play it pretty well you know okay that's the neat thing about us as a species it's not again it's not the elite athletes that create physical intelligence it's the fact that all of us have this incredible capacity to learn physical skills up to a pretty good level.

13:18And then you hope you've got the genes if you want to do a sport to take you the last, you know, nine yards. I'm speaking with Scott Grafton, who teaches neuroscience at the University of California, Santa Barbara. And he's author of the book, Physical Intelligence, the Science of How the Body and the Mind Guide Each Other Through Life. A big thank you to today's sponsor, Vinted. I think most of us have what I call someday clothes. I'll wear that someday. That'll fit better someday. Someday, I'll have a place to wear that. Meanwhile, it's been hanging in the closet for three years. Vinted offers another possibility.

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14:55Pink Panther is here. Coach and Spotify are teaming up to bring music and style together, and they want you to be part of it. Grab your friends and head to the Tabby Tour, hitting cities around the country with live performances from special artists, exclusive experiences and personalized products. And discover custom playlists on Spotify, built just for you based on who you are and how you listen. Live your story with Coach. Learn more at Coach.com. So, Scott, I have two boys and they both play hockey, so they skate. And so I started skating. And I'm not very good at it. And every time I go on the ice, it takes me a while.

15:34It just takes a while to get back in the groove. But it doesn't take them a while. They step on the ice and off they go. They're also, don't be fooled, they're also warming up a little bit. They just get there quicker because they're younger. There's a really neat, one of my favorite studies that looks at sort of this idea of tuning up comes from a foot race in the Swiss Alps. It's a five-day foot race around Mount Blanc. It's a crazy distance, 270 kilometers or something like this. and these guys had a great idea these scientists they recorded people's running efficiency at the start of the race they had a treadmill and oxygen measuring systems and everything and they they sort out how efficient their running is they run for five days the end of the five days they put them back on the treadmill and they measure their efficiency again and even though they just ran five days straight they're actually more efficient at the end and these are already elite runners you They're already the best runners you could imagine.

16:40But even they are always getting a little bit better, right? It's really a neat observation. Since you've looked pretty deep into this whole idea of physical intelligence, what lessons can we learn? What can we do different? What can we do with this in life? What's the takeaway? The one thing I really came away with after working through this idea was that simple learning isn't good enough. We are really built to take on complex physical problems. That's what we're designed for, and that's where we learn the best. And so if a person does want to try something new, they should complexify it at any level, at any skill level.

17:31So it's not just about practicing and learning to play one song on a new musical instrument. It's learning to play it in varied ways or playing varied songs or playing with varied instruments. It's not just about taking a simple walk in the park on a paved path. It's about taking that unusual shortcut through the woods where suddenly now you've got to navigate a little bit. Your whole sense of awareness in the environment changes. Your ability to duck under branches is now in demand. You've got to step over boulders. all that complexity that you find in nature is incredibly valuable for you to stay flexible, to stay strong, and to stay sort of physically adept in whatever you're going to do.

18:18That's interesting because usually you think, well, the best way to learn anything is to simplify it, not complicate it. And we know that's not true in the laboratory. There's a beautiful example. it's called the contextual interference effect was just jargon but if I have you let's say learn if you go to the batting cages with the baseball bat and I say okay I want you to learn to hit sliders fastballs and change-ups and I can control the pitching machine either of two ways the first way I give you all the sliders and then I give you all the fastballs and then I give you all the change-ups at the end of each of those blocks you're gonna be really good at hitting each of those versus a pitching machine where you don't know what's coming on each throw.

19:06You get the same number of total pitches and same proportions, but it's, it's random, right? At the end of that practice section, you're really frustrated. You don't do very well. You don't, it doesn't look like you're very good at hitting any of them. And the, and the, uh, the learner goes away very frustrated. And so the coaches will tend to have people train under what we call blocked conditions. We'll just give you the sliders first, then the changeups and so forth, because everybody's happier at the end of that training session. But wait, come back the next day and let's just have you hit against any of those three pitches.

19:42And we'll tell you what the pitch is going to be, right? Doesn't matter. You can do it blocked or random. The people who practiced under random conditions are going to be much, much better at hitting those balls. So the varied practice is incredibly frustrating. The complex hard practice torments us. But that's where the learning, the real learning that stays, that sticks, it's really a really strong effect. It works for problem solving. It works for language learning. It works for over, there's probably over 100 experiments with different kinds of physical skills that show this effect. So it's sort of a universal feature of skill learning.

20:27The varied practice is enormously better. How does this idea of complicating things, that practicing things in a more complicated way is better, how does that fit in with the theory that Malcolm Gladwell popularized in his book that you need to put in 10 ,000 hours? That to get good at anything, you have to put in 10 ,000 hours. A colleague and I want to write a chapter called how to practice 10 ,000 hours and never get better The idea being you know, there's smart practice and there's dumb practice And if you look at professional musicians and you look at how they practice, they don't practice any of the easy stuff They only practice the stuff that's really frustrating They're smart And all of us need to sort of remember that when we're learning new skills But does practicing the hard stuff, if you're a musician, for example, and you're trying to learn hard stuff, does it make the easy stuff easier?

21:28Oh, yeah. And it's sort of nested. What you're learning in the hard stuff is the phrasing and the tempo and the intricacies. That spills, again, it's this idea of generalization. It'll generalize into more rudimentary kind of movements. But obviously you have to put in the time. You've got to put in some time and the more time, the better, right? Yeah. You have to do something, right? You can't. Yeah. You have to, you have to put some time into it and you have to put a lot of time into it, but there's nothing magical about 10 ,000 hours. And obviously 5 ,000 hours of smart practice is going to be better than 2 ,000 hours of smart practice.

22:10You're going to get even farther along than what you're trying to accomplish. But there's nothing magical about 10 ,000 hours, I don't think. You said in the beginning that we've evolved to live in kind of a rough and tumble world and that a walk on the beach or a hike in the mountains is more satisfying than a walk on a treadmill because we're designed to do it in a more difficult way. But that's not the way things are going. Our technology is making life easier and easier. we're moving into a period in our evolution where we're more and more in mega cities and man-made environments that are incredibly smooth and incredibly easy to navigate in from a physical standpoint and it's the antithesis of sort of what we evolved to be able to do And I think it's an interesting experiment to see whether we're going to be really healthy in these kinds of environments or not.

23:13It's going to be a real challenge. There's nothing in the virtual technologies right now that's even close to emulating what we do in natural environments. And so we're putting ourselves at great risk from a health standpoint in the kinds of environments we've created for ourselves and our kids. Because it's too easy. It's too easy. That's right. Well, think about that. Because you look back at civilization and it's all been about making it easier, making it more convenient. That's what technology is. yeah and and that's great you know it's great for saving time but if if you're if you're one of your interests is your own health and well-being that's working against you but how do we know that what's an example of that in real life you know we're starting to think about that from an aging perspective a good example is in early phase studies coming out of europe we now know that If you're in a nursing home and that nursing home is next to a park that has undeveloped pathways on it, you're going to live longer than if your nursing home has lots of nice city streets and sidewalks to walk on.

24:34There's something about the natural environment and the roughness that actually provides health benefit. That's the hypothesis. Now, we've got to lock this down with better studies. But that's the basic idea that's being chased right now. Well, I like this discussion because this whole world of physical intelligence really operates under the radar. We don't think about it. We just do it. And it's interesting to understand how it works, why we do it, and how to do it better. Scott Grafton has been my guest. He teaches neuroscience at the University of California at Santa Barbara. He's director of the UCSB Brain Imaging Center.

25:14and he's author of the book Physical Intelligence, the science of how the body and mind guide each other through life. There's a link to that book in the show notes. Thanks for being here, Scott. Thanks. This has been a pleasure and a great opportunity to talk with you. And that concludes this week's SYSK Trending episode. I'm Mike Carruthers. Thank you for listening today to Something You Should Know.