Fig. 10: Gaze position and velocity of the EyeLink and iPad systems. | npj Parkinson's Disease

Fig. 10: Gaze position and velocity of the EyeLink and iPad systems.

From: Towards scalable screening for the early detection of Parkinson’s disease: validation of an iPad-based eye movement assessment system against a clinical-grade eye tracker

Fig. 10

a Gaze position and b the corresponding velocity signals produced by the iPad and EyeLink for a PS trial. The red and green horizontal bars represent the central fixation target and peripheral stimulus, respectively. Saccades are detected using a 30∘/s velocity threshold.

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