| Feature Vector | Percentage of Feature Reduction (%) | Classification Accuracy (%) | ||||
| 1 Trial | 5 Trials | 10 Trials | 15 Trials | |||
| All sub-bands | _ | 26.5 | 67 | 85 | 91.5 | |
| Optimal sub-bands | about 40 | 25 | 68 | 86 | 92 | |