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 HzRest1.2036 ± 0.25081.1888 ± 0.19860.0021 ± 0.29601.083 ± 0.5850.375 ± 0.177
條件內穩定 C3-C4Mu 8-13 Hz右腳1.1841 ± 0.38721.1577 ± 0.31280.0294 ± 0.35321.200 ± 0.4980.400 ± 0.175
條件內穩定 C3-C4Mu 8-13 Hz左腳1.2972 ± 0.41751.2446 ± 0.35660.0270 ± 0.35331.118 ± 0.5860.525 ± 0.249
條件內穩定 C3-C4Low beta 13-20 HzRest1.3207 ± 0.35991.2080 ± 0.27050.0829 ± 0.35170.782 ± 0.3730.375 ± 0.243
條件內穩定 C3-C4Low beta 13-20 Hz右腳1.1404 ± 0.23401.1277 ± 0.16090.0221 ± 0.29871.083 ± 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 HzRest1.3565 ± 0.26851.1645 ± 0.24360.1848 ± 0.25670.788 ± 0.4500.425 ± 0.265
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1.1829 ± 0.53351.1207 ± 0.27100.0240 ± 0.31621.023 ± 0.6070.475 ± 0.322
任務 vs RestMu 8-13 Hz右腳 vs Rest1.1903 ± 0.39541.1524 ± 0.29200.0353 ± 0.47731.018 ± 0.6840.275 ± 0.079
任務 vs RestMu 8-13 Hz左腳 vs Rest1.3036 ± 0.40771.2713 ± 0.38280.0570 ± 0.47790.933 ± 0.5900.425 ± 0.265
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 Rest1.1181 ± 0.30421.0902 ± 0.16250.0138 ± 0.41671.108 ± 0.5550.475 ± 0.322
任務 vs RestHigh beta 20-30 Hz右腳 vs Rest1.0504 ± 0.34191.0380 ± 0.2037-0.1159 ± 0.42071.048 ± 0.5310.325 ± 0.237
任務 vs RestHigh beta 20-30 Hz左腳 vs Rest1.1692 ± 0.55521.1420 ± 0.2767-0.0744 ± 0.47081.018 ± 0.6760.375 ± 0.243
左腳 vs 右腳Mu 8-13 Hz左腳 vs 右腳1.1298 ± 0.22441.0766 ± 0.1610-0.0436 ± 0.38101.140 ± 0.3830.500 ± 0.204
左腳 vs 右腳Low beta 13-20 Hz左腳 vs 右腳1.2020 ± 0.22381.1901 ± 0.19610.0143 ± 0.42731.022 ± 0.6070.325 ± 0.169
左腳 vs 右腳High beta 20-30 Hz左腳 vs 右腳1.1770 ± 0.20931.1426 ± 0.1959-0.0059 ± 0.38300.758 ± 0.5130.475 ± 0.362
交叉驗證穩定窗Mu 8-13 HzRest1.0305 ± 0.14171.0554 ± 0.1161-0.0279 ± 0.12360.957 ± 0.2810.413 ± 0.138
交叉驗證穩定窗Mu 8-13 Hz右腳1.0439 ± 0.30040.9986 ± 0.21290.0577 ± 0.22501.087 ± 0.2790.369 ± 0.082
交叉驗證穩定窗Mu 8-13 Hz左腳1.0950 ± 0.32451.0976 ± 0.21660.0114 ± 0.24351.139 ± 0.3490.457 ± 0.155
交叉驗證穩定窗Low beta 13-20 HzRest1.0986 ± 0.15621.0942 ± 0.14790.0048 ± 0.19270.890 ± 0.2390.426 ± 0.094
交叉驗證穩定窗Low beta 13-20 Hz右腳1.0064 ± 0.18841.0232 ± 0.1391-0.0030 ± 0.15341.043 ± 0.2150.499 ± 0.171
交叉驗證穩定窗Low beta 13-20 Hz左腳0.9898 ± 0.20580.9940 ± 0.13050.0015 ± 0.15911.022 ± 0.1750.453 ± 0.155
交叉驗證穩定窗High beta 20-30 HzRest1.1291 ± 0.16331.0231 ± 0.07260.1070 ± 0.14400.906 ± 0.2240.426 ± 0.085
交叉驗證穩定窗High beta 20-30 Hz右腳0.9406 ± 0.27910.9218 ± 0.19420.0163 ± 0.15240.976 ± 0.1530.486 ± 0.200
交叉驗證穩定窗High beta 20-30 Hz左腳0.9460 ± 0.26910.9937 ± 0.1767-0.0447 ± 0.17161.042 ± 0.2390.464 ± 0.218