Fig. 1From: The mechanism of neurofeedback training for treatment of central neuropathic pain in paraplegia: a pilot studyA graphical user interface used for neurofeedback training. Horizontal black lines show threshold values. Central bar shows power of the dominant frequency band, which had green colour when it was reinforced, I,.e. when the power was above the threshold. Side bars present theta (left) and beta (right) frequency bands that were supressed. They had green colour when the power was under the threshold, otherwise were redBack to article page