Table 1. Mean (SD) values of movement parameters for each stimulation site (Left vs. Right SMA) and hand condition (LH, Left Hand; RH, Right Hand) in Experiment 1.
Variable | Control | Left SMA | Right SMA | ||
LH | RH | LH | RH | ||
Peak GF (N) | 9.2 (1.7) | 11.3 (2.1)* | 12.8 (1.9)* | 9.2 (1.2) | 9.5 (1.9) |
Peak LF (N) | 3.8 (.6) | 3.9 (.6) | 3.9 (.6) | 3.9 (.6) | 3.9 (.6) |
GF static (N) | 8.4 (1.2) | 9.1 (1.4) | 8.9 (1.5) | 8.7 (1.1) | 8.8 (1.2) |
Peak GF rate (N/s) | 66.6 (14.6) | 80.1 (13.2)* | 83.9 (15.5)* | 76.9 (18.9) | 75.4 (18.4) |
Peak LF rate (N/s) | 31 (10.3) | 33.4 (8.3) | 30.7 (9.2) | 28.4 (10.1) | 33.5 (9.8) |
Correlation coefficient | 0.85(.06) | 0.82 (.07)* | 0.83 (.07)* | 0.84 (.07) | 0.83 (.07) |
Time-shift (ms) | 14.6 (18) | 12.3 (20.1) | 15.1 (17.5) | 11.8 (19.7) | 14.7 (22.6) |
Preload duration (ms) | 37.5 (24.2) | 38.9 (21.5) | 27.4 (16.4)* | 25.6 (23.2)* | 37.4 (22.0) |
Loading phase duration (ms) | 179 (19.6) | 191 (19.2) | 185 (22.1) | 187 (19.4) | 183 (22.0) |
Reaction time (ms) | 353.5 (39.5) | 374 (21.9) | 385 (58.5) | 381 (30.1) | 338 (41.2) |
Control values correspond to average between left and right hands in the Sham condition, see Methods. Asterisks (*) denote statistical difference with control values at p<0.05.