Table 2.
Cognitive test summary (n = 12)
| Cognitive test | Measures | Pre-placebo | Post-placebo | Change | Pre-CHO | Post-CHO | Change |
|---|---|---|---|---|---|---|---|
| Symbol Digit Matching | Mean Reaction Time (ms) | 1624 ± 279 | 1490 ± 232 | -134 ± 154 | 1693 ± 265 | 1525 ± 276 | -169 ± 139 |
| No. of Errors | 2 ± 3 | 2 ± 2 | 0 ± 4 | 2 ± 2 | 2 ± 3 | 0 ± 3 | |
| Search & Memory | Mean Reaction Time (ms) | 4437 ± 1661 | 4311 ± 1309 | -126 ± 807 | 4464 ± 1666 | 4411 ± 1707 | -53 ± 603 |
| Level 1 | No. of Errors | 0 ± 1 | 1 ± 1 | 0 ± 1 | 1 ± 1 | 1 ± 1 | 0 ± 1 |
| Search & Memory | Mean Reaction Time (ms) | 6984 ± 2406 | 6693 ± 3331 | -291 ± 1955 | 7256 ± 2552 | 6862 ± 2782 | -393 ± 1007 |
| Level 2 | No. of Errors | 1 ± 1 | 2 ± 2 | 1 ± 2 | 2 ± 1 | 2 ± 2 | 1 ± 2 |
| Search & Memory | Mean Reaction Time (ms) | 9711 ± 3799 | 9384 ± 4314 | -328 ± 2077 | 9936 ± 3658 | 9317 ± 4381 | -619 ± 2337 |
| Level 3 | No. of Errors | 1 ± 2 | 1 ± 2 | 0 ± 1 | 3 ± 2 | 3 ± 2 | 0 ± 3 |
| Digit Span | Maximum Span | 10 ± 2 | 11 ± 2 | 1 ± 2 | 11 ± 2 | 10 ± 2 | -1 ± 1 |
| No. of Directional Changes | 8 ± 2 | 9 ± 2 | 1 ± 3 | 8 ± 1 | 9 ± 2 | 1 ± 2 | |
| Choice Reaction Time | Number of Correct Responses | 121 ± 6 | 120 ± 15 | -1 ± 13 | 122 ± 5 | 122 ± 9 | 0 ± 6 |
| Mean Reaction Time (ms) | 574 ± 88 | 522 ± 71 | -51 ± 84 | 562 ± 74 | 546 ± 96 | -16 ± 57 | |
| Psychomotor Vigilance | Median Reaction Time (ms) | 262 ± 55 | 244 ± 46 | -18 ± 30 | 254 ± 42 | 236 ± 47 | -18 ± 19 |
| No. of Errors | 3 ± 3 | 1 ± 2 | -2 ± 3 | 2 ± 2 | 2 ± 4 | 0 ± 4 |