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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