Electroencephalogram (EEG)

The biologist Dr. Doping tells about the opening method, the scope of the EEG signal and the electric cells. What is an electroencephalogram? What methods are used to study the brain activity? And what is the scope of the EEG?

The electroencephalogram, or EEG, is a total electrical activity of the brain, the electrical signals of cerebral origin that can be registered on the surface of the scalp. To date, the EEG is quite usual procedure, and often people do not realize how unusual that the electricity generated by our brain, we can see directly on the scalp, even did it without damaging. Watching the EEG, we actually observe what is happening in the brain. To improve and awake brain you can buy Phenylpiracetam, Semax, Cogitum.

With the '90s began to force the EEG tomographic methods that are much more accurately determine the location of the sources of activity in the brain. They can be more differentiated study what happens inside the brain, and much deeper into it. EEG is only from the cerebral cortex, but not from the depths of his structures. But EEG has an important advantage: it shows brain activity in real time, as an electric signal is distributed almost the speed of light. Resolution time of other methods is much worse - the order of seconds, at best, share tenths of seconds, and they can be seen only relatively slow processes.

Modern EEG are becoming more and more affordable and accessible. They form the basis of game brain-computer interface that can buy almost anyone. They can be used on the move; a person can place the device on his body and record the EEG, doing normal daily activities. Thanks to more advanced mathematical methods of signal analysis in real-time EEG gives more and more information about the brain.