Table 3.
The effect of tai chi on performance of cognitive and motor tasks.
| Tai chi group |
Control group |
|||
|---|---|---|---|---|
| Before | After | Before | After | |
| Matching grids task | ||||
| Reaction time, s | 2.00 (0.35) | 2.01 (0.27) | 2.06 (0.50) | 2.15 (0.53) |
| Accuracy, %axb | 90.0 (11.2) | 96.7 (4.1)⁎ | 92.0 (7.7) | 91.7 (5.9)# |
| Memory search task | ||||
| Reaction time, sa | 1.12 (0.39) | 0.97 (1.36) | 1.29 (0.36) | 1.13 (0.27) |
| Accuracy, % | 91.8 (9.8) | 95.0 (6.8) | 91.3 (9.1) | 94.6 (7.1) |
| Go/no-go task | ||||
| Reaction time, s | 0.416 (0.05) | 0.40 (0.05) | 0.42 (0.06) | 0.42 (0.43) |
| Accuracy, %axb | 95.6 (3.4) | 96.4 (2.5)⁎ | 96.2 (2.8) | 94.9 (5.0) |
| Procedural reaction time task | ||||
| Reaction time, saxb | 0.75 (0.14) | 0.64 (0.11)⁎ | 0.67 (0.10) | 0.68 (0.11) |
| Accuracy, % | 96.0 (4.2) | 95.0 (4.2) | 97.1 (3.0) | 95.0 (8.6) |
| Reaching task | ||||
| Reaction time, s | 0.38 (0.04) | 0.39 (0.04) | 0.37 (0.05) | 0.40 (0.05) |
| Movement time, s | 1.70 (0.45) | 1.61 (0.23) | 1.66 (0.20) | 1.65 (0.27) |
| Velocity, mm/s | 118.5 (24.9) | 121.7 (18.8) | 118.5 (17.0) | 123.7 (23.9) |
| Distance, mma | 183.5 (6.4) | 179.8 (4.0) | 183.1 (7.9) | 180.7 (6.3) |
Values are given as mean (standard deviation).
a
P < 0.05, time effect.
axb
P < 0.05, time × group interaction effect.
⁎
P < 0.05, compared with before.
#
P < 0.05, compared with tai chi group.