Behavioral results for RT of SWMT. Figure 3a indicated the results for all five sessions, Figure 3b indicated the results for three sessions (i.e., Sessions 1, 4, and 5). * indicate a significant difference between the labeled session and Session 1; ○ indicate a significant difference between the labeled session and Session 4; □ indicate a significant difference between the labeled session and Session 5. Abbreviations: RT, reaction time; SWMT, Sternberg working memory task. The error bars represent standard deviations