A Simple Way to Break a Bad Habit | Judson Brewer | TED

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정신 건강자격증/평생교육다이어트/영양스마트폰/모바일

Transcript

00:00:00When I was first learning to meditate,
00:00:04the instruction was to simply pay attention to my breath
00:00:07and, when my mind wandered, to bring it back.
00:00:09It sounded simple enough,
00:00:12yet I'd sit on these silent retreats,
00:00:15sweating through T-shirts in the middle of winter.
00:00:18I'd take naps of coffee,
00:00:20and I'd sit in the middle of the morning.
00:00:22I'd sit in the middle of the morning,
00:00:24and I'd sit in the middle of the morning,
00:00:26and I'd sit in the middle of the morning,
00:00:28and I'd sit in the middle of the morning.
00:00:30I'd take naps every chance I got because it was really hard work.
00:00:33Actually, it was exhausting.
00:00:35The instruction was simple enough,
00:00:37but I was missing something really important.
00:00:39So why is it so hard to pay attention?
00:00:43Well, studies show that even when we're really trying to pay attention
00:00:46to something, like maybe this talk,
00:00:49at some point, about half of us will drift off into a daydream
00:00:52or have this urge to check our Twitter feed.
00:00:55So what's going on here?
00:00:59It turns out that we're fighting
00:01:00one of the most evolutionarily conserved learning processes
00:01:03currently known in science,
00:01:05one that's conserved back to the most basic nervous systems known to man.
00:01:08This reward-based learning process is called positive and negative reinforcement
00:01:13and basically goes like this.
00:01:15We see some food that looks good.
00:01:17Our brain says, "Calories, survival."
00:01:20We eat the food, we taste it, it tastes good.
00:01:23And especially with sugar,
00:01:24our body sends a signal to our brain that says,
00:01:27"Remember what you're eating and where you found it."
00:01:29We lay down this context-dependent memory
00:01:33and learn to repeat the process next time.
00:01:36See food, eat food, feel good, repeat.
00:01:40Trigger, behavior, reward.
00:01:43Simple, right?
00:01:44Well, after a while, our creative brains say,
00:01:48"You know what?
00:01:49You can use this for more than just remembering where food is.
00:01:52You know, next time you feel bad,
00:01:55why don't you try eating something good
00:01:57so you'll feel better?"
00:01:58We thank our brains for the great idea,
00:02:01try this and quickly learn that if we eat chocolate or ice cream
00:02:05when we're mad or sad, we feel better.
00:02:07Same process, just a different trigger.
00:02:11Instead of this hunger signal coming from our stomach,
00:02:14this emotional signal,
00:02:16feeling sad, triggers that urge to eat.
00:02:18Maybe in our teenage years,
00:02:21we were a nerd at school,
00:02:23and we see those rebel kids outside smoking,
00:02:25we think, "Hey, I want to be cool,"
00:02:27so we start smoking.
00:02:28The Marlboro Man wasn't a dork,
00:02:31and that was no accident.
00:02:33See cool, smoke to be cool, feel good,
00:02:37repeat, trigger, behavior, reward.
00:02:39And each time we do this, we learn to repeat the process,
00:02:43and it becomes a habit.
00:02:45So later, feeling stressed out triggers that urge to smoke a cigarette
00:02:50or to eat something sweet.
00:02:53Now with these same brain processes,
00:02:56we've gone from learning to survive
00:02:57to literally killing ourselves with these habits.
00:03:00Obesity and smoking are among the leading preventable causes
00:03:04of morbidity and mortality in the world.
00:03:06So back to my breath.
00:03:08What if instead of fighting our brains
00:03:12or trying to force ourselves to pay attention,
00:03:14we instead tapped into this natural reward-based learning process,
00:03:18but added a twist?
00:03:20What if instead we just got really curious about what was happening
00:03:23in our momentary experience?
00:03:24I'll give you an example.
00:03:26In my lab, we studied whether mindfulness training
00:03:29could help people quit smoking.
00:03:31Now, just like trying to force myself to pay attention to my breath,
00:03:34they could try to force themselves to quit smoking,
00:03:38and the majority of them had tried this before and failed,
00:03:41on average, six times.
00:03:42Now with mindfulness training, we dropped a bit about forcing
00:03:46and instead focused on being curious.
00:03:49In fact, we even told them to smoke.
00:03:52What? Yeah, we said, "Go ahead and smoke.
00:03:54Just be really curious about what it's like when you do."
00:03:57And what did they notice?
00:04:00Well, here's an example from one of our smokers.
00:04:02She said, "Mindful smoking.
00:04:04Smells like stinky cheese and tastes like chemicals.
00:04:07Yuck!"
00:04:09Now, she knew cognitively that smoking was bad for her.
00:04:13That's why she joined our program.
00:04:15What she discovered just by being curiously aware when she smoked
00:04:20was that smoking tastes like shit.
00:04:23(Laughter)
00:04:25Now, she moved from knowledge to wisdom.
00:04:30She moved from knowing in her head that smoking was bad for her
00:04:33to knowing it in her bones.
00:04:35And the spell of smoking was broken.
00:04:38She started to become disenchanted with her behavior.
00:04:42Now, the prefrontal cortex, that youngest part of our brain
00:04:46from an evolutionary perspective,
00:04:48it understands on an intellectual level that we shouldn't smoke.
00:04:52And it tries its hardest to help us change our behavior,
00:04:56to help us stop smoking,
00:04:57to help us stop eating that second, that third, that fourth cookie.
00:05:01We call this cognitive control.
00:05:04We're using cognition to control our behavior.
00:05:07Unfortunately, this is also the first part of our brain
00:05:10that goes offline when we get stressed out,
00:05:12which isn't that helpful.
00:05:14Now, we can all relate to this in our own experience.
00:05:16We're much more likely to do things like yell at our spouse or kids
00:05:20when we're stressed out or tired,
00:05:21even though we know it's not going to be helpful.
00:05:24We just can't help ourselves.
00:05:25Now, when the prefrontal cortex goes offline,
00:05:29we fall back into our old habits,
00:05:31which is why this disenchantment is so important.
00:05:34Seeing what we get from our habits helps us understand them in a deeper level,
00:05:38to know it in our own bones,
00:05:39we don't have to force ourselves to hold back or restrain ourselves from behavior.
00:05:43We're just less interested in doing it in the first place.
00:05:46And this is what mindfulness is all about.
00:05:48Seeing really clearly what we get when we get caught up in our behaviors,
00:05:53becoming disenchanted on a visceral level,
00:05:57and from this disenchanted stance, naturally letting go.
00:06:00This isn't to say that, poof, magically we quit smoking,
00:06:04but over time, as we learn to see more and more clearly the results of our actions,
00:06:08we let go of old habits and form new ones.
00:06:10The paradox here is that mindfulness is just about being really interested
00:06:16and getting close and personal with what's actually happening
00:06:19in our bodies and minds from moment to moment.
00:06:21This willingness to turn toward our experience
00:06:24rather than trying to make unpleasant cravings go away as quickly as possible.
00:06:28And this willingness to turn toward our experience
00:06:31is supported by curiosity,
00:06:33which is naturally rewarding.
00:06:34What does curiosity feel like?
00:06:36It feels good.
00:06:39And what happens when we get curious?
00:06:41We start to notice that cravings are simply made up of body sensations.
00:06:44Oh, there's tightness, there's tension, there's restlessness,
00:06:48and that these body sensations come and go.
00:06:51These are bite-sized pieces of experiences
00:06:54that we can manage from moment to moment,
00:06:56rather than getting clobbered by this huge, scary craving that we choke on.
00:07:02In other words, when we get curious,
00:07:04we step out of our old fear-based reactive habit patterns
00:07:09and we step into being.
00:07:11We become this inner scientist
00:07:14where we're eagerly awaiting that next data point.
00:07:18Now, this might sound too simplistic to affect behavior,
00:07:22but in one study, we found that mindfulness training
00:07:25was twice as good as gold standard therapy at helping people quit smoking.
00:07:29So it actually works.
00:07:30And when we studied the brains of experienced meditators,
00:07:34we found that parts of a neural network of self-referential processing
00:07:38called the default mode network were at play.
00:07:41Now, one current hypothesis is that a region of this network,
00:07:44called the posterior cingulate cortex,
00:07:46is activated not necessarily by craving itself,
00:07:49but when we get caught up in it,
00:07:50when we get sucked in and it takes us for a ride.
00:07:53In contrast, when we let go, step out of the process,
00:07:57just by being curiously aware of what's happening,
00:07:59this same brain region quiets down.
00:08:03Now we're testing app- and online-based mindfulness training programs
00:08:07that target these core mechanisms
00:08:10and, ironically, use the same technology that's driving us to distraction
00:08:15to help us step out of our unhealthy habit patterns
00:08:17of smoking, of stress eating and other addictive behaviors.
00:08:21Now, remember that bit about context-dependent memory?
00:08:24We can deliver these tools to people's fingertips
00:08:27in the contexts that matter most,
00:08:29so we can help them tap into their inherent capacity
00:08:32to be curiously aware right when that urge to smoke or stress eat
00:08:36or whatever arises.
00:08:37So if you don't smoke or stress eat,
00:08:40maybe the next time you feel this urge to check your email when you're bored
00:08:44or you're trying to distract yourself from work,
00:08:46or maybe to compulsively respond to that text message when you're driving,
00:08:50see if you can tap into this natural capacity.
00:08:54Just be curiously aware of what's happening in your body and mind
00:08:58in that moment.
00:08:59It will just be another chance to perpetuate
00:09:01one of our endless and exhaustive habit loops
00:09:04or step out of it.
00:09:06Instead of see text message, compulsively text back,
00:09:08feel a little bit better,
00:09:10notice the urge,
00:09:12get curious,
00:09:13feel the joy of letting go
00:09:15and repeat.
00:09:16Thank you.
00:09:18(Applause)

Key Takeaway

Mindfulness breaks bad habits by replacing forced cognitive control with curious awareness, leading to a visceral disenchantment that naturally dissolves reward-based learning loops.

Highlights

Reward-based learning follows a three-step cycle consisting of a trigger, a behavior, and a reward.

Mindfulness training proves twice as effective as gold-standard therapy for smoking cessation.

The prefrontal cortex, responsible for cognitive control, is the first brain region to go offline during periods of stress.

The posterior cingulate cortex shows decreased activity when individuals step out of a craving through curious awareness.

Cravings consist of manageable body sensations like tightness, tension, and restlessness rather than single, monolithic urges.

Smokers using mindfulness techniques transition from intellectual knowledge to visceral disenchantment by noticing the actual taste of chemicals and stinky cheese.

Timeline

The Mechanics of Reward-Based Learning

  • The brain utilizes an evolutionarily conserved process called positive and negative reinforcement for survival.
  • A habit loop forms through a consistent cycle of trigger, behavior, and reward.
  • Emotional signals like sadness or stress eventually replace physical hunger as triggers for consumption behaviors.

This learning process originally helped humans remember where to find food for survival. When a person eats sugar, the brain releases a signal to remember the food and its location, creating context-dependent memory. Over time, the brain applies this same logic to emotional states, suggesting food or nicotine as a way to feel better when sad or stressed. This transformation turns a survival mechanism into habits that contribute to leading causes of preventable morbidity.

Knowledge vs. Visceral Disenchantment

  • Mindfulness training encourages curiosity about the immediate experience of a habit rather than the use of force to quit.
  • Awareness of the actual sensory experience of smoking leads to a transition from intellectual knowledge to 'bone-deep' wisdom.
  • The prefrontal cortex manages cognitive control but fails to function effectively under stress.

In a clinical study, smokers were instructed to smoke while being intentionally curious about the experience. One participant noted that the cigarette smelled like stinky cheese and tasted like chemicals, leading to immediate disenchantment. This shift is necessary because the youngest part of the brain, the prefrontal cortex, understands that smoking is bad but shuts down when the individual is tired or stressed. By seeing clearly what is gained from a behavior, the person no longer needs to force restraint; they simply lose interest.

The Science of Curiosity and Cravings

  • Curiosity serves as a natural reward that facilitates turning toward unpleasant experiences instead of fleeing them.
  • Cravings are composed of discrete physical sensations including tension, tightness, and restlessness.
  • Mindfulness training achieves double the success rate of traditional gold-standard therapies for quitting smoking.

Mindfulness involves getting close to the momentary experience of the body and mind. When individuals observe a craving with curiosity, they realize it is not a singular, scary obstacle but a series of bite-sized physical sensations that come and go. This 'inner scientist' approach allows a person to manage experiences from moment to moment. This methodology is supported by data showing it outperforms standard clinical treatments for addiction.

Neural Networks and Digital Solutions

  • The posterior cingulate cortex quiets down when an individual steps out of a craving through curious awareness.
  • Technology serves as a delivery mechanism for mindfulness tools in the specific contexts where urges arise.
  • The joy of letting go can replace the cycle of compulsive reaction to digital and physical triggers.

Research on experienced meditators shows that the default mode network, specifically the posterior cingulate cortex, activates when a person is caught up in a craving. By being curiously aware, the individual quiets this region. Current digital programs use mobile apps to deliver these mindfulness prompts at the exact moment a trigger occurs. This allows users to recognize an urge, get curious about the sensation, and repeat the rewarding feeling of letting go instead of reacting compulsively.

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