Evaluation of EEG Features in Decoding Individual Finger Movements from One Hand

Table 1

Summary of 𝑡-test results on decoding accuracies using different features, as well as the guess level (20%). The bold entries indicate significant difference (𝑃<0.05).

	1st PC	2nd PC	First 3 PCs	Alpha band	Beta band	Temporal amplitudes	Guess level
1st PC	—	0.1390	0.0470	0.0595	0.0191	0.5030	0.0092
2nd PC	—	—	0.0096	0.5245	0.1552	0.0290	0.0246
First 3 PCs	—	—	—	0.0310	0.0142	0.0446	0.0105
Alpha band	—	—	—	—	0.2482	0.0312	0.0635
Beta band	—	—	—	—	—	0.0089	0.0763
Temporal amplitudes	—	—	—	—	—	—	0.0099