Review Article

Enhancing the Usability of Brain-Computer Interface Systems

Figure 1

Several types of EEG electrodes: (a) active comb-shaped (electrode finger type) electrode [29], (b) bristle electrode [30], (c) reverse-curve-arch-shaped electrode [31], (d) carbon nanotube-based capacitive electrode [32], (e) epidermal electrode on the auricle [33], and (f) foam-surfaced capacitive electrode for use over hair [34, 35].
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