From: Motion-induced blindness and microsaccades: Cause and effect Journal of Vision. 2010;10(14):22. doi:10.1167/10.14.22 Figure Legend: Experimental methods and data analysis. (a) Schematic illustration of MIB. In Experiment 2, observers viewed a 4-min MIB display (left) while reporting disappearance and reappearance with a button press. The observers then repeated the same task while viewing a 4-min “replay” of physical disappearance according to their previous reports. (b) Analysis of eye tracking data illustrated by example from one observer in one condition. Data were first segmented into epochs, time locked to the perceptual reports of disappearance. The upper panel shows the pupil horizontal position around its mean per epoch, with microsaccades marked in bold (not all of 190 epochs are shown). Note the variable length epochs, each corresponding to periods with a single perceptual transition from visible (on the left) to invisible (on the right). The lower panel shows the event-related microsaccade rate averaged across epochs. The event-related average is thus based on epochs with variable numbers of time points ( N = 151 on average). Date of download: 3/5/2018 The Association for Research in Vision and Ophthalmology Copyright © 2018. All rights reserved.