Table.
Comparison of reaction time, intra-individual reaction time variability and response accuracy to high- and low-probability stimuli
| High-probability stimulus (75%) | Low-probability stimulus (75%) | Statistic | ||
|---|---|---|---|---|
| F (1, 13) | p | |||
| Schizophrenia patients | ||||
| Reaction time, ms (SD) | 519 (101) | 589 (82) | 30.9 | <0.001 |
| Intra-individual reaction time variability, ms (SD) | 124 (47) | 118 (39) | 0.64 | 0.44 |
| Response accuracy, % (SD) | 95.6 (2.6) | 92.3 (7.8) | 3.3 | 0.09 |
| Control group | ||||
| Reaction time, ms (SD) | 394 (64) | 467(83) | 52.4 | <0.001 |
| Intra-individual reaction time variability, ms (SD) | 70 (19) | 85 (28) | 15.8 | <0.01 |
| Response accuracy, % (SD) | 96.7 (1.5) | 94.1 (4.8) | 7.5 | <0.05 |