Four Novel Motion Paradigms Based on Steady-state Motion Visual Evoked Potential
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Paper
Link: https://ieeexplore.ieee.org/document/8067501
Year: 2018
Summary
- four stimulus paradigms based on basic motion modes: swing, rotation, spiral, and radial contraction-expansion
Methods
- 10 subjects
- 30 stimulus targets (the flip frequency was 7-12.8 Hz, and the frequency interval was 0.2 Hz)
- foveal test, subject stare at one of the paradigms for 5 s per trial
Results
- differences in brain responses for the different motion paradigms. swing motion, rotation motion, spiral motion, and radial contraction-expansion
- spiral motion paradigm exhibited the highest accuracy and ITR
- spiral motion paradigm, first and second harmonic were highly significant
- radial contraction-expansion motion paradigm, the energy was mainly concentrated in the flip frequency and there were no obvious harmonic components
- spiral motion paradigm obtained the best stimulus effects. According to the subject reports, the space movement sensation of the spiral motion was strongest. Because of the depth perception of the human eye [The effect of videoconferencing on the depth perception of observers], the spiral paradigm causes the perception of three-dimensional (3D) motion.
