title: Steady-State Somatosensory Evoked Potential for Brain-Computer Interface-Present and Future.
abstract: Brain-computer interface (BCI) performance has achieved continued improvement over recent decades, and sensorimotor rhythm-based BCIs that use motor function have been popular subjects of investigation. However, it remains problematic to introduce them to the public market because of their low reliability. As an alternative resolution to this issue, visual-based BCIs that use P300 or steady-state visually evoked potentials (SSVEPs) seem promising; however, the inherent visual fatigue that occurs with these BCIs may be unavoidable. For these reasons, steady-state somatosensory evoked potential (SSSEP) BCIs, which are based on tactile selective attention, have gained increasing attention recently. These may reduce the fatigue induced by visual attention and overcome the low reliability of motor activity. In this literature survey, recent findings on SSSEP and its methodological uses in BCI are reviewed. Further, existing limitations of SSSEP BCI and potential future directions for the technique are discussed.
authors.affiliation: School of Information and Communications, Gwangju Institute of Science and Technology Gwangju, South Korea.
authors.forename: Sangtae
authors.initials: S
authors.lastname: Ahn
authors.affiliation: Center for Biosignals, Korea Research Institute of Standards and ScienceDaejeon, South Korea; Department of Medical Physics, University of Science and TechnologyDaejeon, South Korea.
authors.forename: Kiwoong
authors.initials: K
authors.lastname: Kim
authors.affiliation: School of Information and Communications, Gwangju Institute of Science and Technology Gwangju, South Korea.
authors.forename: Sung Chan
authors.initials: SC
authors.lastname: Jun
keywords: brain-computer interface; perceptual load; steady-state somatosensory evoked potential; tactile selective attention; vibrotactile stimulation
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