case_images: PMC6896248_01
case_images: Optokinetic (OKN) rotatory disk used for inducing the OKN stimuli.
case_images: fneur-10-01200-g0001.jpg
case_images: PMC6896248_01_fneur-10-01200-g0001.jpg
case_images: F1
case_images: The visual stimulus consisted of a circle of dots projected on a screen (Figure 1), reproducing the appearance of the optokinetic disk.