正常人 C3/C4 相對功率找窗策略比較

這版不再用「每個 trial 自己挑最大差異」。改用 subject-level 的多策略:條件內穩定 C3-C4、任務 vs Rest、左腳 vs 右腳,以及交叉驗證穩定窗。

候選窗只在 0.2~2.0 秒內搜尋,排除前 0.2 秒;候選窗長為 0.25、0.5、0.75、1.0 秒,步進 0.05 秒;相對功率分母為 4-40 Hz total power,baseline 為 -1.5~-0.5 秒。

選窗後 C3/C4 功率 ratio

這張才是實際功率值:每個點是一位受試者在該策略選到窗口後的 C3 或 C4 task relative power / baseline relative power;虛線 1 代表和 baseline 比例相同。

C3 C4 selected-window power ratios

Effect 比較

點旁的小數字是該受試者被選到的窗口中心秒數。

C3 C4 window strategy effects

選窗中心與窗長

點大小代表選到的窗長,越大代表窗口越長。

C3 C4 window strategy centers

摘要表

策略頻帶目標C3 power ratioC4 power ratioeffect mean ± STD中心秒數 mean ± STD窗長 mean ± STD
條件內穩定 C3-C4Mu 8-13 HzRest1.1874 ± 0.24181.1912 ± 0.1978-0.0095 ± 0.28451.182 ± 0.4900.375 ± 0.177
條件內穩定 C3-C4Mu 8-13 Hz右腳1.1749 ± 0.39421.1084 ± 0.35140.0692 ± 0.34641.227 ± 0.4440.375 ± 0.177
條件內穩定 C3-C4Mu 8-13 Hz左腳1.3005 ± 0.41701.2422 ± 0.35810.0309 ± 0.35521.187 ± 0.4880.525 ± 0.249
條件內穩定 C3-C4Low beta 13-20 HzRest1.3550 ± 0.34441.2379 ± 0.23870.0914 ± 0.35490.802 ± 0.3710.275 ± 0.079
條件內穩定 C3-C4Low beta 13-20 Hz右腳1.1404 ± 0.23401.1277 ± 0.16090.0221 ± 0.29871.082 ± 0.4460.525 ± 0.275
條件內穩定 C3-C4Low beta 13-20 Hz左腳1.1346 ± 0.32441.1012 ± 0.25950.0264 ± 0.31650.980 ± 0.4270.400 ± 0.242
條件內穩定 C3-C4High beta 20-30 HzRest1.3651 ± 0.25481.1657 ± 0.23420.1976 ± 0.26181.042 ± 0.4250.375 ± 0.212
條件內穩定 C3-C4High beta 20-30 Hz右腳1.0751 ± 0.36131.0157 ± 0.27520.0605 ± 0.27310.995 ± 0.4990.450 ± 0.329
條件內穩定 C3-C4High beta 20-30 Hz左腳1.1748 ± 0.53811.0915 ± 0.25580.0353 ± 0.30481.182 ± 0.5690.475 ± 0.322
任務 vs RestMu 8-13 Hz右腳 vs Rest1.2400 ± 0.39081.1500 ± 0.29770.1559 ± 0.43571.177 ± 0.5030.275 ± 0.079
任務 vs RestMu 8-13 Hz左腳 vs Rest1.2827 ± 0.41471.2546 ± 0.3849-0.0111 ± 0.47091.070 ± 0.5250.400 ± 0.269
任務 vs RestLow beta 13-20 Hz右腳 vs Rest1.1154 ± 0.27571.1403 ± 0.2020-0.1266 ± 0.42391.265 ± 0.4230.450 ± 0.258
任務 vs RestLow beta 13-20 Hz左腳 vs Rest1.1257 ± 0.29801.1036 ± 0.15940.0154 ± 0.41521.152 ± 0.5220.475 ± 0.322
任務 vs RestHigh beta 20-30 Hz右腳 vs Rest1.0504 ± 0.34191.0380 ± 0.2037-0.1159 ± 0.42071.047 ± 0.5310.325 ± 0.237
任務 vs RestHigh beta 20-30 Hz左腳 vs Rest1.1910 ± 0.55881.0994 ± 0.26090.0137 ± 0.45161.287 ± 0.5210.375 ± 0.243
左腳 vs 右腳Mu 8-13 Hz左腳 vs 右腳1.1405 ± 0.23701.0926 ± 0.1867-0.0968 ± 0.37031.200 ± 0.2540.500 ± 0.204
左腳 vs 右腳Low beta 13-20 Hz左腳 vs 右腳1.1733 ± 0.14061.1678 ± 0.15410.0358 ± 0.39611.180 ± 0.4920.350 ± 0.175
左腳 vs 右腳High beta 20-30 Hz左腳 vs 右腳1.1908 ± 0.37961.1157 ± 0.3039-0.0866 ± 0.34530.948 ± 0.4790.425 ± 0.290
交叉驗證穩定窗Mu 8-13 HzRest1.0238 ± 0.14151.0601 ± 0.1210-0.0359 ± 0.12831.054 ± 0.2640.408 ± 0.133
交叉驗證穩定窗Mu 8-13 Hz右腳1.0415 ± 0.30360.9923 ± 0.21750.0617 ± 0.22491.140 ± 0.2320.364 ± 0.087
交叉驗證穩定窗Mu 8-13 Hz左腳1.1010 ± 0.33421.1027 ± 0.24040.0114 ± 0.25051.209 ± 0.3380.461 ± 0.152
交叉驗證穩定窗Low beta 13-20 HzRest1.1006 ± 0.15601.1046 ± 0.1381-0.0017 ± 0.19430.947 ± 0.2280.381 ± 0.075
交叉驗證穩定窗Low beta 13-20 Hz右腳1.0054 ± 0.19231.0208 ± 0.1425-0.0007 ± 0.15791.071 ± 0.2090.497 ± 0.177
交叉驗證穩定窗Low beta 13-20 Hz左腳0.9879 ± 0.21120.9897 ± 0.13860.0036 ± 0.16101.077 ± 0.1740.450 ± 0.159
交叉驗證穩定窗High beta 20-30 HzRest1.1412 ± 0.16981.0311 ± 0.06930.1106 ± 0.15971.006 ± 0.2670.401 ± 0.091
交叉驗證穩定窗High beta 20-30 Hz右腳0.9431 ± 0.29180.9205 ± 0.19880.0206 ± 0.15891.033 ± 0.1800.474 ± 0.205
交叉驗證穩定窗High beta 20-30 Hz左腳0.9376 ± 0.28810.9737 ± 0.1976-0.0329 ± 0.17361.186 ± 0.2440.461 ± 0.216