Steady-state visual evoked potential (SSVEP)-based communication: impact of harmonic frequency components.

  title={Steady-state visual evoked potential (SSVEP)-based communication: impact of harmonic frequency components.},
  author={Gernot R. M{\"u}ller-Putz and Reinhold Scherer and Christian Brauneis and Gert Pfurtscheller},
  journal={Journal of neural engineering},
  volume={2 4},
Brain-computer interfaces (BCIs) can be realized on the basis of steady-state evoked potentials (SSEPs). These types of brain signals resulting from repetitive stimulation have the same fundamental frequency as the stimulation but also include higher harmonics. This study investigated how the classification accuracy of a 4-class BCI system can be improved by incorporating visually evoked harmonic oscillations. The current study revealed that the use of three SSVEP harmonics yielded a… CONTINUE READING
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