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Multimodal Interaction in Video-Oculography and Electromyography Systems

This paper presents schematics illustrating the behavior of three distinct approaches to video-oculography (VOG) and electromyography (EMG) multimodal interaction. The first system operates without communication, where all detected EMG activations trigger a click event. The second system enables communication and generates a click event only when EMG activation occurs during fixation. The third system combines communication with fixation delay correction, allowing activations detected before fixation to also trigger a click event. Insights on optimizing interoperability between VOG and EMG systems are discussed.

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Multimodal Interaction in Video-Oculography and Electromyography Systems

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  1. Figure 3. Schematics that represent behavior of three different system approaches to video-oculography (VOG)+ electromyographic (EMG) multimodal interaction: Systems with (a) no communication in which all activations detected by EMG system generate click event, (b) communication in which only activations detected when fixation is present generate click event, and (c) communication and fixation delay correction in which activations occurring within temporal window before fixation are detected by VOG system also generate click event that is sent to operating system as soon as VOG reports fixation. Navallas J, Ariz M, Villanueva A, San Agustín J, Cabeza R. Optimizing interoperability between video-oculographic and electromyographic systems.J Rehabil Res Dev. 2011; 48(3):253-66.DOI:10.1682/JRRD.2010.06.0112

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