2.3 Procedure
Participants were individually placed one meter from a computer screen in a quiet room. The picture-naming task with interleaved flanker trials was presented in the center of the screen using E-Prime 2.0. As illustrated in Figure 1, each trial began with a fixation cross, which lasted for 250 ms, and was followed by a picture-naming trial. The picture then disappeared when participants named it aloud or after 1500 ms passed. A blank screen lasted for 1000 ms before another fixation cross appeared for 250 ms followed by a flanker trial. The flanker trial disappeared when participants responded to it or after for 1500 ms passed. Finally, a blank screen appeared for 1500 ms before the next trial started.