Fig. 4: Visibility of high-speed motion in a detection task.
From: Lawful kinematics link eye movements to the limits of high-speed perception
a Trial procedure. Observers judged whether the stimulus jumped (Motion absent) or moved continuously on a straight horizontal path (Motion present) from its initial to its final location. b, c Visibility thresholds in Experiment 2a (using constant velocity) and Experiment 2b (using time-varying velocity profiles) as a function of relative movement speed, plotted for each amplitude. Data were obtained from N = 10 observers each completing a total of 68,989 trials and 40,937 trials in Experiments 2a and 2b, respectively. Note the different scale highlighted by dashed gray lines between (b) and (c). Conventions as in Fig. 3a, b.
