Figure 3From: Recovery of facial expressions using functional electrical stimulation after full-face transplantationFacial muscle activity representations on a 3D face model based on the FuzzyEn method for the happiness facial expression. a Estimated muscle activities of patient A before rehabilitation. b Estimated muscle activities of patient A after rehabilitation. c, f Mean value of estimated muscle activities of ten healthy individuals. d Estimated muscle activities of patient B before rehabilitation. e Estimated muscle activities of patient B after rehabilitation.Back to article page