Table 2.
Comparisons of target selection time and latency of visual onset across signals during efficient (pop-out) search

Values are means ± SE. Brackets with symbols indicate significant differences between signals (Wilcoxon rank sum test). Symbols alone indicate significant difference from 0 (Wilcoxon signed rank test):
* P < 0.001;
† P < 0.05. ERP, event-related potential.