An EEG typically includes 19 channels of EEG electrodes placed on the scalp, whereas a dense-array EEG can include up to 256 channels of EEG electrodes for improved spatial resolution.
An EEG typically includes 19 channels of EEG electrodes. These EEG electrodes are placed on the scalp. A dense-array EEG can include up to 256 channels of EEG electrodes for improved spatial resolution.