Table 1.
Mean (SD) characteristics of correct pro- and anti-saccades for the match-approach (low cognitive control demand) and match-avoid (high cognitive control demand) versions of the eye-movement task
| Task version | Directional error, % | Latency, ms | Amplitude, degree visual angle |
|---|---|---|---|
| Low demand (match-approach) | |||
| Pro-saccade | |||
| In-group | 0.06 (0.01) | 293 (66) | 8.74 (0.85) |
| Out-group | 0.08 (0.01) | 302 (58) | 8.73 (0.91) |
| Anti-saccade | |||
| In-group | 0.47 (0.03) | 473 (189) | 7.65 (2.63) |
| Out-group | 0.51 (0.03) | 476 (211) | 7.55 (2.77) |
| High demand (match-avoid) | |||
| Pro-saccade | |||
| In-group | 0.17 (0.01) | 409 (108) | 8.45 (1.16) |
| Out-group | 0.19 (0.02) | 423 (111) | 8.14 (1.15) |
| Anti-saccade | |||
| In-group | 0.36 (0.03) | 463 (99) | 8.40 (2.50) |
| Out-group | 0.41 (0.03) | 481 (102) | 8.20 (2.16) |