Abstract
In this study, a P300 visual spelling system was presented using a novel method to input Chinese sinograms developed on a Hanyu Pinyin-based method. This method transcribes a Chinese pinyin into an initial consonant and vowel component according to its mandarin pronunciation. In this paradigm, each sinogram was input by selecting the initial consonant followed by the vowel components, and then by selection of the sinogram itself. Five healthy participants participated in the study and achieved an average offline accuracy of 90.2% and an average online input speed of one sinogram per 69 seconds. The experiment results make P300-BCIs accessible to individuals whose language has a logographic writing system.
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