Table 1.

Average results (standard deviation) using top-N features and classifier SVM across 16 subjects.

Top-N Features	Average Number of Channels Involved	Average Accuracy (%)
4	3.25 (0.77)	51.04 (8.32)
8	6.56 (1.36)	53.47 (11.21)
12	9.44 (2.06)	55.13 (10.77)
16	12.13 (2.58)	55.49 (11.31)
20	14.88 (2.99)	56.99 (11.71)
24	17.50 (3.39)	57.58 (12.14)
28	19.50 (3.65)	58.93 (12.83)
32	21.44 (4.21)	59.70 (12.38)
36	23.25 (4.09)	60.69 (12.74)
40	24.50 (3.72)	61.09 (12.54)
50	27.25 (2.96)	61.86 (12.80)
60	29.63 (2.60)	62.59 (12.81)
80	31.13 (1.15)	60.76 (11.54)