Figure 1.

To-scale schematic of the spatial CTET task. At the beginning of each 3.25 min block, participants were instructed (via an instruction screen) to covertly attend to one of the simultaneously presented rhythmic checkerboard streams. A response was required when there was a brief pause in the rhythm of the attended checkerboard. Stimulus dimensions and eccentricity are shown in degrees of visual angle. The stimuli and monitor colors are approximately the same as what was used in the experiment. Average fixation positions are plotted for the attended conditions in each stimulus configuration.