[A power-spectrum based statistical analysis of character-stimulated visual evoked potentials].
D004569:Electroencephalography; D005074:Evoked Potentials, Visual; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D010364:Pattern Recognition, Visual / Q000502:physiology*; D010775:Photic Stimulation; D013223:Statistics as Topic; D014794:Visual Fields