Smith Dante J, Varghese Lenny A, Stepp Cara E, Guenther Frank H
Annu Int Conf IEEE Eng Med Biol Soc. 2014;2014:1234-7. doi: 10.1109/EMBC.2014.6943820.
Many proposed EEG-based brain-computer interfaces (BCIs) make use of visual stimuli to elicit steady-state visual evoked potentials (SSVEP), the frequency of which can be mapped to a computer input. However, such a control scheme can be ineffective if a user has no motor control over their eyes and cannot direct their gaze towards a flashing stimulus to generate such a signal. Tactile-based methods, such as somatosensory steady-state evoked potentials (SSSEP), are a potentially attractive alternative in these scenarios. Here, we compare the neural signals elicited by SSSEP to those elicited by SSVEP in naïve BCI users towards evaluating the feasibility of SSSEP-based control of an EEG BCI.
许多基于脑电图的脑机接口（BCI）利用视觉刺激来诱发稳态视觉诱发电位（SSVEP），其频率可映射到计算机输入。然而，如果用户无法对其眼睛进行运动控制，不能将目光对准闪烁刺激以产生此类信号，那么这种控制方案可能无效。在这些情况下，基于触觉的方法，如体感稳态诱发电位（SSSEP），是一种潜在的有吸引力的替代方案。在此，我们比较了在初次使用BCI的用户中，SSSEP诱发的神经信号与SSVEP诱发的神经信号，以评估基于SSSEP的脑电图BCI控制的可行性。
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