Improved Spatial Resolution of Electroencephalogram Using Tripolar Concentric Ring Electrode Sensors

<div>(a) Spline Laplacian VEP map (95 ms), (b) tripolar Laplacian VEP map (110 ms), (c) the normalized grand-averaged EEG VEP signals from each channel, and (d) the normalized grand-averaged tEEG VEP signals from each channel.</div>

Journal of Sensors

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Figure 5

Figure 5: Improved Spatial Resolution of Electroencephalogram Using Tripolar Concentric Ring Electrode Sensors 