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Abstract
Past evidences have shown that motor cortical stimulation with invasive and non-invasive brain stimulation is effective in relieving central neuropathic pain. Noninvasive stimulation techniques, such as transcranial direct current stimulation (tDCS) act on affected neural networks by modulating their activities not only in the stimulated area, but also in remote regions that are interconnected to the site of stimulation. Motor cortex was the first cortical target that was proved to be efficacious in chronic central neuropathic pain treatment. Of the current study was to investigate the efficacy of transcranial direct current stimulation on post operative central neuropathic pain due to cervical cord lesion. Thirty patients suffering from post operative central neuropathic pain due to cervical cord lesion, with age range from 40 to 60 years old were participated in this study. All patients participated in the study had score more than 4cm on visual analogue scale ,and score of 12 or more on leeds assessment of neuropathic signs and symptoms scale (LANSS) before starting the treatment