Interesting Facts About Our Brain


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In Brain Rules, Dr. John Medina, a molecular biologist, shares his lifelong interest in how the brain sciences might influence the way we teach our children and the way we work. In each chapter, he describes a brain rule - what scientists know for sure about how our brains work - and then offers transformative ideas for our daily lives.

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Interesting Facts About Our Brain

  1. 1. Interesting facts about our
  2. 2. Rule #1 : Exercise boost brain power• Exercise increases oxygen flowinto the brain → uptick inmental sharpness.• Exercise increases neurons’creation, survival, andresistance to damage and
  3. 3. Rule #2 : The human brain evolved, tooThe strongest brains survive, not the strongest bodies.Our ability to understand each other is our chief survival tool.There is no greater anti-brain environment than the classroom and
  4. 4. Rule #3 : Every brain is wired differentlyWhat YOU do and learn in lifephysically changes what yourbrain looks likeNo two people have the samebrain, not even twins.Regions of the brain develop atdifferent rates in
  5. 5. Rule #4 : We don’t pay attention to boring thingsWe pay attentionto things likeemotions, threatsand sex.The brain is notcapable of multi-tasking.Research showsyour error rategoes up 50% andit takes you twiceas long to
  6. 6. Rule #5 : Repeat to rememberMemories are so volatile that you have to repeat to remember.Improve your memory by elaborately encoding it during its
  7. 7. Rule #6 : Remember to repeatIt takes years to consolidatea memory. Not minutes,hours, or days but years.What you learn in first gradeis not completely formeduntil your sophomore year inhigh
  8. 8. Loss of sleep hurts attention, executive function,working memory, mood, quantitative skills, logicalreasoning, and even motor dexterity.Napping is normal. Taking a nap might make you moreproductive. In one study, a 26-minute nap improvedNASA pilots’ performance by 34 percent.thessaloniki.olx.grRule #7 : Sleep well, think well
  9. 9. Rule #8 : Stressed brains don’t learn the same wayThe brain is built to deal with stress that lasts about 30 seconds. Thebrain is not designed for long term stress when you feel like you haveno control.The stress you are experiencing at home will affect your performanceat work, and vice
  10. 10. Rule #9 : Stimulate more of the sensesOur senses worktogether. Those inmultisensoryenvironments alwaysdo better than thosein unisensoryenvironments. Theyhave more recallwith betterresolution that lastslonger, evident even20 years
  11. 11. Rule #10 : Vision trumps all other sensesWe are incredible atrememberingpictures.Hear a piece ofinformation, andthree days later youllremember 10% of it.Add a picture andyoull
  12. 12. Rule #11: Male and female brains are
  13. 13. Rule #12: We are powerful and natural explorersGoogle takes to heart the power ofexploration. For 20 percent of theirtime, employees may go where theirmind asks them to go. The proof is inthe bottom line: fully 50 percent ofnew products, including Gmail andGoogle News, came from “20 percenttime.”
  14. 14. Interesting facts about