1IntroductionIn this issue of the Scandinavian Journal of Pain, Schmid and coworkers  report on a simple and easy way to use home training in sensory discrimination, which showed significant reductions in pain intensity in patients with complex regional pain syndrome. The 2-week training was performed at the patients’ home and consisted of a braille-like haptic task, which included bi-manual, speed and memory training. Bimanual training was implemented based on previous data suggesting impaired bimanual coupling and potentially deficient interhemispheric transfer in this condition .The results are interesting because this is an approach that takes sensorimotor training out of the laboratory. Although this is a pilot study in only 10 patients without a control group, the authors showed that the amount of training was positively correlated with the magnitude of pain reduction suggesting that there is a dose-response-related effect.2Review of the topicThe results of this pilot study are in line with similar work on phantom limb pain [3,4] that showed a relationship between improvements in tactile acuity related to active training, changes in phantom pain and a reversal of altered cortical maps. A previous study by David et al.  in CRPS patients that used passive stimulation rather than
Scandinavian Journal of Pain – de Gruyter
Published: Dec 29, 2017
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