Fig. 1

Schematic illustration of the event sequence in Experiment 1. Each trial begins with a Drift correction for eye movement once the participants voluntarily press a key to initiate the trial. After the drift correction, participants are instructed to memorize the color of a presented memory item and subsequently report the color by clicking on a color wheel with the mouse key during the final memory test. During the retention interval, a visual search display appears, where participants are required to search for the target square characterized by different gap sizes. Additionally, the figure depicts four distinct types of visual search displays employed in the experiment