Table II.
Summary of behavioral results
| Condition | RT (ms) | ER (%) | d′ | c |
|---|---|---|---|---|
| Upper hemifield | 1,221 ± 66 | 6.01 ± 1.58 | 3.40 ± 0.25 | 0.21 ± 0.08 |
| Lower hemifield | 1,170 ± 53 | 7.21 ± 1.19 | 3.07 ± 0.18 | 0.28 ± 0.06 |
| Easy search | 1,060 ± 55 | 3.93 ± 0.98 | 3.66 ± 0.18 | 0.21 ± 0.06 |
| Difficult search | 1,341 ± 66 | 9.28 ± 1.90 | 2.92 ± 0.23 | 0.27 ± 0.08 |
| Easy upper hemifield | 1,078 ± 62 | 4.18 ± 1.30 | 3.45 ± 0.20 | 0.19 ± 0.07 |
| Easy lower hemifield | 1,042 ± 49 | 3.68 ± 0.94 | 3.48 ± 0.15 | 0.23 ± 0.07 |
| Difficult upper hemifield | 1,370 ± 74 | 7.84 ± 1.99 | 2.97 ± 0.24 | 0.22 ± 0.09 |
| Difficult lower hemifield | 1,309 ± 61 | 10.73 ± 1.97 | 2.66 ± 0.22 | 0.32 ± 0.10 |
Reaction times (RT), error rates (ER), target detection sensitivity (d′), and the response criterion (c) for visual search in the upper and lower visual field, comparison of easy and difficult search conditions and comparison of the behavioral data of the upper and lower visual field during easy and difficult search conditions. Data shown ± standard errors.