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Fig. 6 | Journal of NeuroEngineering and Rehabilitation

Fig. 6

From: Development and evaluation of a non-invasive brain-spine interface using transcutaneous spinal cord stimulation

Fig. 6

Cued and uncued movement-trained decoders’ performance on uncued task. (a) ROC curve for all participants (thin lines) and averaged across participants (thick line) when the decoder was trained and tested on uncued movement. (b) Average AUCs for a decoder tested on uncued movement trained on cued and uncued movement. The performance of the decoder trained on uncued movement (n = 4) was generally higher than the performance of the decoder trained on cued (n = 9), but not significantly different when compared with a bootstrapping analysis. (c) Confusion matrix calculated from the real-time stimulation and averaged across participants. The mean of TPR and TNR was 53%. Bars in b represent mean ± s.d., with each circle representing the average AUC for one participant. The asterisks on the right of each bar represent the results of a one-sample Wilcoxon signed rank test for each decoder’s AUC against chance. ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001

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