Comparison of Features for Movement Prediction from Single-Trial Movement-Related Cortical Potentials in Healthy Subjects and Stroke Patients

Table 1

Result summary when comparing the proposed classifier approach against template matching. Results are given as mean ± SE and are all expressed in %.

	Spectral features	Template matching
Real movement
Detection error	5.5 ± 1.8	28.9 ± 3.5
Sensitivity	93.0 ± 1.7	82.0 ± 2.7
Specificity	96.0 ± 2.1	60.0 ± 5.0
Imaginary movements
Detection error	1.5 ± 0.83	29.6 ± 2.8
Sensitivity	100 ± 0	80.6 ± 2.5
Specificity	97 ± 1.7	60.3 ± 4.2
Attempted movements
Detection error	0.63 ± 0.21	22.4 ± 2.4
Sensitivity	99.8 ± 0.17	83.8 ± 1.7
Specificity	98.9 ± 0.39	71.3 ± 4.6