Fig. 3: Subject-level iPad error magnitudes (EyeLink − iPad). | npj Parkinson's Disease

Fig. 3: Subject-level iPad error magnitudes (EyeLink − iPad).

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. 3

For the PS, AS, and MGS tasks (x-axis) for a latency and b amplitude. For the SGS task for c IPSR, and d amplitude. Each sample represents the iPad’s average error magnitude for one subject for that particular task (i.e., the absolute value of the average of the task’s saccade-level differences). The means and their CIs are highlighted in red. Standard deviations are shown in blue. Statistical significance (***denotes p < 0.001) is based on one-sample t-tests when the Shapiro–Wilk test for normality was nonsignificant, and Wilcoxon signed-rank tests otherwise.

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