And although imaging studies show that middle-aged people may use different brain regions to do the same old tasks, cognitive tests show that apart from brute speed, the brain's abilities are not diminished in middle age.
Researchers have found that less than an hour of cellphone use can cause brain activity to speed up in the area that is closest to the antenna.
This type of experiential, addictive learning improves decision-making skills and increases the processing speed and spatial skills of the brain.
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But since those pesky calories and nutrients can get in the way of the caffeine-to-brain transmission process, caffeinated gum should speed it along.
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It ignores the way the brain really works: as a high-speed data processor.
The BRAIN Initiative will accelerate the development and application of new technologies that will enable researchers to produce dynamic pictures of the brain that show how individual brain cells and complex neural circuits interact at the speed of thought.
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Especially confusing, says Gazzaley, is that key brain functions, like short-term memory, processing speed, and the capacity to multi-task, decline steadily as we age.
Adrian Cheng invented a powerful non-invasive, high-speed microscope technology for imaging the activity of thousands of cells in the brain simultaneously, in real time, offering a view of neural circuits at work.
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Instead, he went straight into close-quarter combat, his hand speed allowing him to land furious clusters of punches while Lacy's increasingly scrambled brain was still getting his shoulder muscles into gear.
In the study published Friday, Dr. Bastian, Pablo Celnik from Johns Hopkins University and colleagues studied healthy individuals and whether brain stimulation and split-belt treadmill training, used simultaneously, can speed up progress in smoothing out walking gaits.
When a ball is pitched to the robot, an accelerometer at the back of a batting cage records information about the flight of the ball, including its speed, and this data is relayed back to a machine that holds the GPU-powered brain.
In a 2011 article for the scholarly journal Science, researchers Martin Hilbert and Priscila Lopez estimated that the entire processing power of the world's stock of general-purpose computers in 2007 more or less equaled that of one human brain (about 6.4 quintillion instructions per second -- the standard measure of computer speed).
Your brain triangulates these signals to keep you balanced, and to move your eyes at exactly the same speed (and exactly opposite direction) as your head so the world doesn't look like it's being filmed by an amateur.
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