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Mean (standard deviation) of reaction time, premotor time, and motor time in milliseconds (ms) for younger and older adults in the left and right index finger movements of the choice reaction task
| Young | Old | |||
|---|---|---|---|---|
| Left response | Right response | Left response | Right response | |
| Reaction time (ms) | 293 (24) | 284 (25) | 378 (35)* | 388 (38)* |
| Premotor time (ms) | 228 (32) | 222 (24) | 316 (45)* | 323 (35)* |
| Motor time (ms) | 65 (20) | 62 (21) | 62 (18) | 65 (17) |
*p < 0.001 (significant difference between old and young)
