An open source stimulator for SSVEP-based BCIs

Authors:
Jason Boyd;Yixin Chen
Affiliations:
University of Mississippi, Oxford, MS;University of Mississippi, University, MS
Venue:
Proceedings of the 50th Annual Southeast Regional Conference
Year:
2012

Citing 4
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Abstract

Steady-State Visual Evoked Potentials (SSVEPs) provide researchers with a mechanism for quickly reading users' inputs into a Brain Computer Interface (BCI) without the need for training or surgery. A visual stimulator is necessary to invoke SSVEP responses. This work describes a stimulator that is accurate, portable, and customizable using open source software packages. Two OpenGL toolkits were used in this project for windowing and timing. Originally, the GLUT toolkit was used, but was replaced by the GLFW toolkit that makes use of the most accurate system time available for timing.