Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School

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Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School von Mind Map: Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School

1. Exercise - Rule #1: Exercise boosts brain power.

1.1. There’s a direct link between exercise and brain power.

1.1.1. Start exercising couch and desk potatoes and their brains benefit.

1.1.2. Even couch potatoes who fidget show increased benefit over those who do not.

1.1.3. Our brains perform at their best when we are in motion.

1.2. Exercise improves “executive function”

1.2.1. Solving problems, maintaining attention, and inhibiting emotional impulses.

1.2.2. All it takes for your brain to benefit is aerobic exercise 2-3 times a week.

1.3. Sitting is not “brain friendly.”

1.3.1. For millions of years we walked 12 miles a day.

1.3.2. Today we sit in cars, couches, cubicles, and classrooms.

1.3.3. We think best when we are moving.

1.4. The greatest predictor of successful aging is the presence or absence of a sedentary lifestyle.

1.4.1. Exercise improves cardiovascular fitness, which reduces the risk for diseases like heart attacks and stroke.

1.4.2. It improves your strength and balance, reduces your risk for many types of cancer, bolsters your immune system, and buffers against toxic effects of stress.

1.5. It’s time to integrate exercise into our 8 hours at work or school.

1.5.1. Take a call while walking, hold a walking meeting, or go for a walk at lunch.

2. Survival - Rule #2: The human brain evolved, too.

2.1. The brain is a survival organ.

2.1.1. It is designed to solve problems related to surviving in an unstable outdoor environment and to do so in nearly constant motion (to keep you alive long enough to pass your genes on).

2.1.2. We were not the strongest on the planet but we developed the strongest brains, the key to our survival.

2.2. The strongest brains survive, not the strongest bodies.

2.2.1. Our ability to solve problems, learn from mistakes, and create alliances with other people helps us survive.

2.2.2. We took over the world by learning to cooperate and forming teams with our neighbors.

2.3. Our ability to understand each other is our chief survival tool.

2.3.1. Relationships helped us survive in the jungle and are critical to surviving at work and school today.

2.4. If someone does not feel safe with a teacher or boss, he or she may not perform as well.

2.4.1. If a student feels misunderstood because the teacher cannot connect with the way the student learns, the student may become isolated.

2.5. There is no greater anti-brain environment than the classroom and cubicle.

3. Wiring - Rule #3: Every brain is wired differently.

3.1. What YOU do and learn in life physically changes what your brain looks like – it literally rewires it.

3.1.1. We used to think there were just 7 categories of intelligence.

3.1.2. But categories of intelligence may number more than 7 billion—roughly the population of the world.

3.2. No two people have the same brain, not even twins.

3.2.1. Every student’s brain, every employee’s brain, every customer’s brain is wired differently.

3.3. You can either accede to it or ignore it.

3.3.1. The current system of education ignores it by having grade structures based on age.

3.3.2. Businesses such as Amazon are catching on to mass customization (the Amazon homepage and the products you see are tailored to your recent purchases).

3.4. Regions of the brain develop at different rates in different people.

3.4.1. The brains of school children are just as unevenly developed as their bodies.

3.4.2. Our school system ignores the fact that every brain is wired differently.

3.4.3. We wrongly assume every brain is the same.

3.5. Most of us have a “Jennifer Aniston” neuron

3.5.1. a neuron lurking in your head that is stimulated only when Jennifer Aniston is in the room.

4. Attention - Rule #4: We don't pay attention to boring things.

4.1. What we pay attention to is profoundly influenced by memory.

4.1.1. Our previous experience predicts where we should pay attention.

4.1.2. Culture matters too.

4.1.3. Whether in school or in business, these differences can greatly effect how an audience perceives a given presentation.

4.2. We pay attention to things like emotions, threats and sex.

4.2.1. Regardless of who you are, the brain pays a great deal of attention to these questions: Can I eat it? Will it eat me? Can I mate with it? Will it mate with me? Have I seen it before?

4.3. The brain is not capable of multi-tasking.

4.3.1. We can talk and breathe, but when it comes to higher level tasks, we just can’t do it.

4.4. Driving while talking on a cell phone is like driving drunk.

4.4.1. The brain is a sequential processor and large fractions of a second are consumed every time the brain switches tasks.

4.4.2. This is why cell-phone talkers are a half-second slower to hit the brakes and get in more wrecks.

4.5. Workplaces and schools actually encourage this type of multi-tasking.

4.5.1. Walk into any office and you’ll see people sending e-mail, answering their phones, Instant Messaging, and on MySpace—all at the same time.

4.5.2. Research shows your error rate goes up 50% and it takes you twice as long to do things.

4.6. When you’re always online you’re always distracted.

4.6.1. So the always online organization is the always unproductive organization.

5. Short-Term Memory - Rule #5: Repeat to remember.

5.1. The human brain can only hold about seven pieces of information for less than 30 seconds!

5.1.1. Which means, your brain can only handle a 7-digit phone number.

5.1.2. If you want to extend the 30 seconds to a few minutes or even an hour or two, you will need to consistently re-expose yourself to the information.

5.1.3. Memories are so volatile that you have to repeat to remember.

5.2. Improve your memory by elaborately encoding it during its initial moments.

5.2.1. Many of us have trouble remembering names.

5.2.2. If at a party you need help remembering Mary, it helps to repeat internally more information about her. “Mary is wearing a blue dress and my favorite color is blue.”

5.2.3. It may seem counterintuitive at first but study after study shows it improves your memory.

5.3. Brain Rules in the classroom.

5.3.1. In partnership with the University of Washington and Seattle Pacific University, Medina tested this Brain Rule in real classrooms of 3rd graders.

5.3.2. They were asked to repeat their multiplication tables in the afternoons.

5.3.3. The classrooms in the study did significantly better than the classrooms that did not have the repetition.

5.3.4. If brain scientists get together with teachers and do research, we may be able to eliminate need for homework since learning would take place at school, instead of the home.

6. Long-Term Memory - Rule #6: Remember to repeat.

6.1. It takes years to consolidate a memory.

6.1.1. Not minutes, hours, or days but years.

6.1.2. What you learn in first grade is not completely formed until your sophomore year in high school.

6.2. Medina’s dream school is one that repeats what was learned, not at home, but during the school day, 90-120 minutes after the initial learning occurred.

6.2.1. Our schools are currently designed so that most real learning has to occur at home.

6.3. How do you remember better?

6.3.1. Repeated exposure to information / in specifically timed intervals / provides the most powerful way to fix memory into the brain.

6.4. Forgetting allows us to prioritize events.

6.4.1. But if you want to remember, remember to repeat.

7. Sleep - Rule #7: Sleep well, think well.

7.1. When we’re asleep, the brain is not resting at all.

7.1.1. It is almost unbelievably active!

7.1.2. It’s possible that the reason we need to sleep is so that we can learn.

7.2. Sleep must be important because we spend 1/3 of our lives doing it!

7.2.1. Loss of sleep hurts attention, executive function, working memory, mood, quantitative skills, logical reasoning, and even motor dexterity.

7.3. We still don’t know how much we need!

7.3.1. It changes with age, gender, pregnancy, puberty, and so much more.

7.4. Napping is normal.

7.4.1. Ever feel tired at 3PM?

7.4.2. That’s because your brain really wants to take a nap.

7.4.3. There's a battle raging in your head between two armies.

7.4.4. Each army is made of legions of brain cells and biochemicals – one desperately trying to keep you awake, the other desperately trying to force you to sleep.

7.4.5. At 3PM, 12 hours after the midpoint of your sleep, all your brain wants to do is nap.

7.5. Taking a nap at 3PM might make you more productive.

7.5.1. In one study, a 26-minute nap improved NASA pilots’ performance by 34 percent.

7.6. Don’t schedule important meetings at 3pm.

7.6.1. It just doesn’t make sense.

8. Stress - Rule #8: Stressed brains don't learn the same way.

8.1. Your brain is built to deal with stress that lasts about 30 seconds.

8.1.1. The brain is not designed for long term stress when you feel like you have no control.

8.1.2. The saber-toothed tiger ate you or you ran away but it was all over in less than a minute.

8.1.3. If you have a bad boss, the saber-toothed tiger can be at your door for years, and you begin to deregulate.

8.1.4. If you are in a bad marriage, the saber-toothed tiger can be in your bed for years, and the same thing occurs.

8.1.5. You can actually watch the brain shrink.

8.2. Stress damages virtually every kind of cognition that exists.

8.2.1. It damages memory and executive function.

8.2.2. It can hurt your motor skills.

8.2.3. When you are stressed out over a long period of time it disrupts your immune response.

8.2.4. You get sicker more often.

8.2.5. It disrupts your ability to sleep.

8.2.6. You get depressed a lot.

8.3. The emotional stability of the home is the single greatest predictor of academic success.

8.3.1. If you want your kid to get into Harvard, go home and love your spouse.

8.4. You have one brain.

8.4.1. The same brain you have at home is the same brain you have at work or school.

8.4.2. The stress you are experiencing at home will affect your performance at work, and vice versa.

9. Sensory Integration - Rule #9: Stimulate more of the senses.

9.1. Our senses work together so it is important to stimulate them!

9.1.1. Your head crackles with the perceptions of the whole world, sight, sound, taste, smell, touch, energetic as a frat party.

9.2. Smell is unusually effective at evoking memory.

9.2.1. If you're tested on the details of a movie while the smell of popcorn is wafted into the air, you'll remember 10-50% more.

9.3. Smell is really important to business.

9.3.1. When you walk into Starbucks, the first thing you smell is coffee.

9.3.2. They have done a number of things over the years to make sure that’s the case.

9.4. The learning link.

9.4.1. Those in multisensory environments always do better than those in unisensory environments.

9.4.2. They have more recall with better resolution that lasts longer, evident even 20 years later.

10. Vision - Rule #10: Vision trumps all other senses.

10.1. We are incredible at remembering pictures.

10.1.1. Hear a piece of information, and three days later you'll remember 10% of it.

10.1.2. Add a picture and you'll remember 65%.

10.2. Pictures beat text as well, in part because reading is so inefficient for us.

10.2.1. Our brain sees words as lots of tiny pictures, and we have to identify certain features in the letters to be able to read them.

10.2.2. That takes time.

10.3. Why is vision such a big deal to us?

10.3.1. Perhaps because it's how we've always apprehended major threats, food supplies and reproductive opportunity.

10.4. Toss your PowerPoint presentations.

10.4.1. It’s text-based (nearly 40 words per slide), with six hierarchical levels of chapters and subheads—all words.

10.4.2. Professionals everywhere need to know about the incredible inefficiency of text-based information and the incredible effects of images.

10.4.3. Burn your current PowerPoint presentations and make new ones.

11. Gender - Rule #11: Male and female brains are different.

11.1. What’s different?

11.1.1. Mental health professionals have known for years about sex-based differences in the type and severity of psychiatric disorders.

11.1.2. Males are more severely afflicted by schizophrenia than females.

11.1.3. By more than 2 to 1, women are more likely to get depressed than men, a figure that shows up just after puberty and remains stable for the next 50 years.

11.1.4. Males exhibit more antisocial behavior.

11.1.5. Females have more anxiety.

11.1.6. Most alcoholics and drug addicts are male.

11.1.7. Most anorexics are female.

11.2. Men and women handle acute stress differently.

11.2.1. When researcher Larry Cahill showed them slasher films, men fired up the amygdale in their brain’s right hemisphere, which is responsible for the gist of an event.

11.2.2. Their left was comparatively silent.

11.2.3. Women lit up their left amygdale, the one responsible for details.

11.2.4. Having a team that simultaneously understood the gist and details of a given stressful situation helped us conquer the world.

11.3. Men and women process certain emotions differently.

11.3.1. Emotions are useful.

11.3.2. They make the brain pay attention.

11.3.3. These differences are a product of complex interactions between nature and nurture.

12. Exploration - Rule #12: We are powerful and natural explorers.

12.1. The desire to explore never leaves us despite the classrooms and cubicles we are stuffed into.

12.1.1. Babies are the model of how we learn—not by passive reaction to the environment but by active testing through: observation hypothesis experiment conclusion

12.1.2. Babies methodically do experiments on objects, for example, to see what they will do.

12.2. Google takes to heart the power of exploration.

12.2.1. For 20 percent of their time, employees may go where their mind asks them to go.

12.2.2. The proof is in the bottom line: fully 50 percent of new products, including Gmail and Google News, came from “20 percent time.”