Research Article
Stimulator Selection in SSVEP-Based Spatial Selective Attention Study
Figure 8
The result of PSD. (a) PSD of all channels when subject noticed 20.8 Hz; (b) PSD of all channels when subject noticed 27.8 Hz; (c) averaged PSD of O1, , and O2 among all subjects when they noticed 20.8 Hz; (d) averaged PSD of O1, , and O2 among all subjects when they noticed 27.8 Hz.
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