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isaac Mao

The Human Brain - Exercise - 14 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

untitled - 0 views

  • For middle-aged and older adults, searching the Internet could be a boost to the brain, a new study suggests.
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  • The researchers used functional magnetic resonance imaging scans to record subtle brain-circuitry changes in the patients as they performed Web searches and read book passages. fMRI scans track the intensity of cell responses in the brain by measuring the level of blood flow through the brain
  • But Internet searches revealed differences between the two groups. While all the participants showed the same activity as during the book-reading, the Web-savvy group also registered activity in the frontal, temporal and cingulate areas of the brain, whereas those new to the net did not. (These areas of the brain control decision-making and complex reasoning.)
  • Compared with reading, the wealth of choices on the Internet requires that people make decisions about what to click on, which engages important cognitive circuits in the brain
isaac Mao

Brain science to help teachers get into kids' heads - science-in-society - 16 September... - 42 views

  • "In medicine, we have an excellent system in place to go from basic research to clinical practice, while in neuroscience we have the basic understanding of how the brain learns but still need to figure out how to translate this into the classroom," says Manfred Spitzer of the University of Ulm in Germany, one of the conference organisers. With brain imaging and, increasingly, genetic studies now complementing psychology research, a host of new findings could inform teachers about the conditions in which our brains can be primed to learn best.
isaac Mao

Study provides new insights about brain organization - 1 views

  • "One theory is that individual senses have separate areas of the brain dedicated to them," said Mark Wallace, Ph.D., the study's lead investigator. "In this view, information is processed initially on a sense-by-sense basis and doesn't come together until much later. However, this view has recently been challenged by studies showing that processing in the visual area of the brain, for example, can be influenced by hearing and touch."
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

Technology Review: Want to Enhance Your Brain Power? - 0 views

  • A little brain boost is something we could all use now and then. A new option may be on the horizon. Researchers at the National Institute for Neurological Disorders and Stroke, in Bethesda, MD, are studying how applying gentle electrical current to the scalp can improve learning.
isaac Mao

Cooking and Cognition: How Humans Got So Smart - 0 views

  • For a long time, we were pretty dumb. Humans did little but make "the same very boring stone tools for almost 2 million years," he said. Then, only about 150,000 years ago, a different type of spurt happened — our big brains suddenly got smart. We started innovating. We tried different materials, such as bone, and invented many new tools, including needles for beadwork. Responding to, presumably, our first abstract thoughts, we started creating art and maybe even religion.
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    Cooking and Cognition: How Humans Got So Smart
isaac Mao

Plastic Brain Outsmarts Experts - 0 views

  • Most IQ tests attempt to measure two types of intelligence--crystallized and fluid intelligence. Crystallized intelligence draws on existing skills, knowledge and experiences to solve problems by accessing information from long-term memory. Fluid intelligence, on the other hand, draws on the ability to understand relationships between various concepts, independent of any previous knowledge or skills, to solve new problems. The research shows that this part of intelligence can be improved through memory training.
isaac Mao

Neurobics - 0 views

  • Some specific types of sensory stimuli and activities, especially those that involve non-routine actions and thoughts, produce more of those chemicals that encourage growth of new dendrites and neurons in the brain. These are generally non-routine activities. Routines become so automatic that actions are done largely unconsciously (ever get up in the morning and walk to the bathroom before you're really conscious?). Such automated or unconscious actions require less activity in the brain, and exercise it less.
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.
isaac Mao

Efficient technique enables thinking - 0 views

  • However, contact between nerve cells is also constantly being set up and dismantled in adults. It is this continuous restructuring of the brain that allows us to learn and to forget.
  • In reality, it should actually be consuming much more energy. This is because both young and adult nerve cells allow many hundreds of cell extensions to grow towards their neighbours.
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  • The scientists marked a number of nerve cells with fluorescent dyes, observed them under a special microscope and discovered the secret to how the information is exchanged: local calcium signals very quickly transmit all the necessary information to the cell. A synapse only actually develops when the cell and the contact point prove to be suitable candidates for long-term contact.
isaac Mao

22条方法优化大脑完整版 - 0 views

  • 大脑就是一台三磅重的超级计算机。它是身体运行的命令和控制中心。它几乎涉及你所做的每一件事。你的大脑决定你如何思考,如何感觉,如何行动,以及如何与他人相处。你的大脑甚至决定你是哪一类的人。它决定了你有多善解人意;你有多友善或是有多粗鲁。它决定了你思维有多敏捷,这还涉及到你工作完成的如何以及你的家庭。你的大脑还影响你的情感活动,以及你如何对待异性。
  • 可以充当情绪兴奋剂的味道有薄荷,柏杨和柠檬。起到舒缓作用的味道有:依兰,天竺葵和玫瑰。滴几滴精油在浴缸中或者在扩散器中,都可以起到作用。你也可以在一个棉球或手帕中滴一两滴,然后吸入这种味道。对于办公地点使用的一个警告:先确保没有人对你使用的精油过敏。
isaac Mao

The Loom: West Coast Soul, or How to Get on TV - 0 views

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    new book
isaac Mao

Not Exactly Rocket Science : Taking the new out of neurons - 0 views

  • The situation is much the same in primates and rodents, where new neurons only appear in the hippocampus and olfactory bulb. In contrast, fish, reptiles and birds renew the neurons throughout their entire network and throughout their entire lives.
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