Table 1.

Sensitivity (%) versus the number of conditions

Method\the number of stimuli (s)	1	2	3	4	5
Proposed method (λ = 1)	78.45	91.83	96.45	98.42	99.20
Proposed method (λ = 2)	75.88	90.77	95.60	97.92	98.98
Proposed method (λ = 4)	62.22	85.32	93.47	96.03	98.18
K-means + DBN	6.58	24.42	37.35	46.80	52.75