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Table 2 Cognitive test summary (n = 12)

From: Effects of a carbohydrate-electrolyte solution on cognitive performance following exercise-induced hyperthermia in humans

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