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isaac Mao

The Human Brain - Exercise - 13 views

  • Only recently have scientists been able to learn how the neural network of the brain forms. Beginning in the womb and throughout life this vast network continues to expand, adapt, and learn.
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  • Plasticity is the basic mental drive that networks your brain, giving you cognition and memory – fluidity, versatility, and adaptability.
  • Before birth you created neurons, the brain cells that communicate with each other, at the rate of 15 million per hour! When you emerged into the world, your 100 billion neurons were primed to organize themselves in response to your new environment – no matter the culture, climate, language, or lifestyle.
  • A healthy, well-functioning neuron can be directly linked to tens of thousands of other neurons,
  • A healthy, well-functioning neuron can be directly linked to tens of thousands of other neurons, creating a totality of more than a hundred trillion connections – each capable of performing 200 calculations per second!
  • Many neuroscientists believe that learning and memory involve changes at neuron-to-neuron synapses.
  • Travel is another good way to stimulate your brain. It worked for our ancestors, the early Homo sapiens. Their nomadic lifestyle provided a tremendous stimulation for their brains that led to the development of superior tools and survival skills. In comparison, the now-extinct Neanderthal was a species that for thousands of years apparently did not venture too far from their homes. (Maybe they were simply content with their lives – in contrast to the seldom-satisfied sapien.)
  • Exercise is a natural part of life, although these days we have to consciously include it in our daily routine. Biologically, it was part of survival, in the form of hunting and gathering or raising livestock and growing food. Historically, it was built into daily life, as regular hours of physical work or soldiering. What is now considered a form of exercise – walking –was originally a form of transportation.
isaac Mao

中文網志年會2008 廣州攻略 « iLEMONed CN - 0 views

  • 感謝 Isaac、Shizhao、Tangos、lonsonlo 等前輩給予機會讓我為年會出力!我寫了一篇不完全指南,希望能起到幫助。
  • 廣州氣候跟香港差不多,11月也不會很冷。個人的經驗是兩件衣服足夠了,不需要毛衣。具體天氣請留意本文更新,不建議參考天氣預報。。
isaac Mao

Your Child's Growing Brain | ParentCenter - 0 views

  • Most of the brain's wiring is established during the first few years of life. At birth it was only about a quarter of its eventual adult size. But by age 2, it has reached three-fourths of adult size! And by 5, the brain will be very close to adult size and volume.
  • Surprisingly, the brain of a 2-year-old has trillions of connections — double the number that an adult has! The brain grows connections in response to all kinds of input in order to adapt and survive. Over time, certain connections are used again and again while others fall by the wayside
isaac Mao

Science News / Do Subatomic Particles Have Free Will? - 0 views

  • Human free will might seem like the squishiest of philosophical subjects, way beyond the realm of mathematical demonstration. But two highly regarded Princeton mathematicians, John Conway and Simon Kochen, claim to have proven that if humans have even the tiniest amount of free will, then atoms themselves must also behave unpredictably.
  • “If the atoms never swerve so as to originate some new movement that will snap the bonds of fate, the everlasting sequence of cause and effect—what is the source of the free will possessed by living things throughout the earth?”—Titus Lucretius Carus, Roman philosopher and poet, 99–55 BC.
  • claim to have proven that if humans have even the tiniest amount of free will, then atoms themselves must also behave unpredictably.
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  • That’s certainly what we ordinarily assume in life. We don’t imagine, say, that a fence turned white just because we looked at it — we figure it was white all along.
  • This means that the particle cannot have a definite spin in every direction before it’s measured, Kochen and Specker concluded. If it did, physicists would be able to occasionally observe it breaking the 1-0-1 rule, which never happens. Instead, it must “decide” which spin to have on the fly.
isaac Mao

Stilling the Mind: An Interview with Linda Lantieri | Edutopia - 0 views

  • Resilience is the ability to successfully manage life and adapt to stressful events. Resilience is developed in childhood, when there are loving people available to help during difficult times, but if a child feels alone, resilience is not developed just because challenging things are happening.
  • Due to recent brain research on neuroplasticity, we know that brains are growing and creating neural pathways during childhood and through adolescence. What's new in this book is the focus on a repetitive practice that strengthens these neural pathways and teaches young people concrete skills to calm themselves and focus their attention.
  • The interesting part of the connection between stress and learning is that the prefrontal cortex of the brain is the area for paying attention, calming, and focusing as well as the area for short- and long-term memory.
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  • Also, when children are upset, nervous, or angry and cannot manage their distressing emotions, they are not in an optimal zone for learning and retrieving information. They may know something for the test, but they are not able to access it.
  • upport, safety, and love around the child.
isaac Mao

How Multitasking Affects Human Learning : NPR - 0 views

  • Multitasking is part of daily life. But humans remember and learn differently when their attention is divided. Russel Poldrack, a UCLA psychology professor, speaks with Lynn Neary about what occurs in the brain during multitasking.
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