The main disadvantage is spatial resolution. EEG does not have it. Each electrode registers only
Description
The main disadvantage is spatial resolution. EEG does not have it. Each electrode registers only the mean value - the vector sum of the charges from millions or billions of neurons (blurred from behind the skull). Imagine that the brain is a baseball stadium, its neurons are people in a crowd, and the information we want to get will instead of the electrical activity of the derivative of the vocal cords. In this case, the EEG will be a group of microphones outside the stadium, behind its outer walls.
The main disadvantage is spatial resolution. EEG does not have it. Each electrode registers only the mean value - the vector sum of the charges from millions or billions of neurons (blurred from behind the skull). Imagine that the brain is a baseball stadium, its neurons are people in a crowd, and the information we want to get will instead of the electrical activity of the derivative of the vocal cords. In this case, the EEG will be a group of microphones outside the stadium, behind its outer walls.
The main disadvantage is spatial resolution. EEG does not have it. Each electrode registers only the mean value - the vector sum of the charges from millions or billions of neurons (blurred from behind the skull). Imagine that the brain is a baseball stadium, its neurons are people in a crowd, and the information we want to get will instead of the electrical activity of the derivative of the vocal cords. In this case, the EEG will be a group of microphones outside the stadium, behind its outer walls.
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