Table 4.

Accuracy and SNR of SSVEP in scalp-EEG.

Measure	Accuracy (%)				SNR
Speed	0 m/s	0.8 m/s	1.6 m/s	2.0 m/s	0 m/s	0.8 m/s	1.6 m/s	2.0 m/s
s1	100	98.33	98.33	100	4.60	3.82	2.27	2.48
s2	100	100	98.33	90.00	3.93	3.42	3.01	2.91
s3	96.67	90.00	83.33	33.33	1.52	1.69	1.35	1.59
s4	100	100	100	93.33	2.43	2.09	2.06	1.79
s5	96.67	96.67	96.67	31.67	3.79	3.42	3.42	1.63
s6	100	81.67	75.00	35.00	2.35	2.18	1.88	1.36
s7	100	98.33	96.67	35.00	4.12	3.68	2.87	2.66
s8	96.67	81.67	65.00	41.67	1.14	1.31	1.01	1.20
s9	98.33	81.67	98.33	33.33	2.46	1.66	1.90	2.31
s10	100	86.67	78.33	35.00	3.42	1.88	1.90	1.74
s11	100	86.67	81.67	50.00	2.19	1.71	1.99	2.05
s12	100	96.67	90.00	60.00	2.33	2.16	1.91	1.45
s13	80.00	66.67	80.00	71.67	1.32	1.23	1.11	1.45
s14	100	96.67	90.00	36.17	2.87	2.55	2.22	2.19
s15	100	100	100	98.33	2.87	2.82	2.39	2.57
s16	78.33	93.33	96.67	—	2.72	2.22	2.09	—
s17	80.00	70.00	56.67	—	1.84	1.35	1.13	—
s18	91.67	63.33	48.33	31.67	1.43	1.32	1.17	1.63
s19	33.33	33.33	31.67	—	1.17	1.15	0.99	—
s20	45.00	48.33	50.00	—	1.32	1.27	1.19	—
s21	96.67	91.67	98.33	—	2.74	2.60	2.81	—
s22	100	100	95.00	—	2.81	2.67	2.29	—
s23	46.67	50.00	46.67	—	1.24	1.02	1.13	—
AVG	88.70	83.12*	80.65*	54.76*	2.64	2.14*	1.92*	1.94*
STD	19.52	18.68	20.38	25.84	0.99	0.84	0.68	0.51

Asterisk indicates significance levels of 5% between the performance at 0 m/s and corresponding speed.