International Journal of Phytomedicine and Phytotherapy
Table 2 Demographic data and participant’s performance in various cognitive tasks in PEBL test battery
From: The effect of black tea on human cognitive performance in a cognitive test battery
Black Tea (BT) | Water (W) | P value | ||
|---|---|---|---|---|
Age | Year | 21.5 ± 1.26 | 20.88 ± 0.71 | >0.1 |
IQ level | 106.29 ± 23.34 | 100.71 ± 31.22 | >0.1 | |
Memory Span | Average block | 5.31 ± 0.89 | 4.90 ± 0.84 | >0.1 |
Immediate Recall Memory Test | No. of words retrieved | 8.06 ± 0.32 | 7.75 ± 0.22 | >0.1 |
Delayed Recall Memory Test | No. of words retrieved | 7.56 ± 0.93 | 6.50 ± 0.37 | >0.1 |
No. of words failed to recall | 1.12 ± 0.15 | 1.37 ± 0.32 | <0.05 | |
Berger’s Card Sorting Test | Persev_error | 8.81 ± 5.74 | 9.38 ± 5.99 | >0.1 |
RT (ms) | 1671 ± 319 | 1935 ± 372 | <0.05 | |
Simple Reaction Time Task to measure Sustained Attention | RT (ms) | 333 ± 2 | 361 ± 2 | <0.05 |
Visual Search (Target identification) | RT (ms) | 984 ± 32 | 999 ± 37 | >0.1 |
Visual Search (Target location) | RT (ms) | 925 ± 12 | 972 ± 28 | <0.05 |