表 1. Accuracy and reaction time of two cognitive tasks with different loads in two groups.
两组人群在两种不同负荷认知任务下的正确率和反应时间
| 任务状态 | 正确率 | 反应时间/ms | |||||
| 年轻人组 | 老年人组 | P 值 | 年轻人组 | 老年人组 | P 值 | ||
| 低负荷任务 | 95% ± 3% | 88% ± 1% | P = 0.03 < 0.05 | 497.16 ± 108.82 | 660.48 ± 126.85 | P = 0.002 < 0.05 | |
| 高负荷任务 | 96% ± 3% | 73% ± 2% | P = 0.000 2 < 0.05 | 742.75 ± 244.22 | 1 091.91 ± 527.35 | P = 0.03 < 0.05 | |
| P 值 | P = 0.24 > 0.05 | P = 0.046 < 0.05 | P = 0.001 < 0.05 | P = 0.02 < 0.05 | |||