Pingie: HTTP:: Camera Can Reveal Firing Neurons

HTTP:: Camera Can Reveal Firing Neurons
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Each and every action that we perform, be it a thought or an actual movement of an arm or leg, is done via electrical impulses. These impulses travel through neurons in nerve fibers from head to toe in extremely brief periods of time, a trait that allows us to perform sudden movements, and not experience “lags” between the time when our brain issues a command (we think about moving), and the actual motion. Observations of how electrical signals travel through neural fibers have just become possible, with the development of a new, super slow-motion camera, able to record one million frames per second. Previous studies determined that electrical impulses traveled through nerves at about 180 kilometers per hour, which is extremely fast for something without an engine. The new camera, which only works in black and white, is able to make out individual signals hurtling through the nerve channels at these high speeds, and has such a resolution that it allows it to film micr!
osecond-long impulses as they go by, in essence. According to the team that constructed the camera, the instrument has an accuracy of about 100 picoseconds. A picosecond is one trillionth (a millionth millionth) of a second. The “active element” inside the new instrument that allows for these extreme feats of engineering is the ...
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http://news.softpedia.com/news/Camera-Can-Reveal-Firing-Neurons-125489.shtml
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