Summary of experimental designs
| Tasks | Mask (Hz) | SOAs (msec) | |
|---|---|---|---|
| Experiment 1 | Detect (yes—no) or locate (4AFC) | 50 | 40, 60, 80, 100 |
| Experiment 2 | Detect (2AFC) or locate (2AFC) | 50 | 30, 60, 90, 120, 150, 180 |
| Experiment 3 | Detect (yes—no) and locate (4AFC) | 50 | 40, 60, 80 |
| Experiment 4 | Detect (yes—no) and locate (4AFC) | 25 or 50 | 20, 40, 60, 80, 100 |