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EEG (Brain Products, BrainVision BrainAmp MR, 64 channels / Nihon Kohden, EEG-1200) measures brain activity with a very high temporal resolution (on the millisecond time scale) by recording the overall electrical activity of a number of neurons in the cerebral cortex on the scalp. While fMRI is suitable for researches to examine “where” a cognitive process occurs, EEG is more suited for examining “when” cognitive processes occur. Therefore, the advantage of this device is that we can capture speedy cognitive processes such as language comprehension. Its disadvantages, however, are that it only offers low spatial resolution and much attention must be paid to extracting the tiny target electrical signals from the large amounts of noise. This device can be used simultaneously with our MEG system.

64-channel EEG


192-channel EEG


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