Patients treated with four weeks of transcranial electrical stimulation (tDCS) found relief from their chronic migraine headaches unresponsive to typical therapies. In this study the motor cortex was stimulated. High current was able to be safely and effectively to deep brain structures.
Researchers from the university of Michigan, Harvard and the city college of the city of New York employed tDCS on 13 patients as preventative therapy resulting in a 37% reduction in head pain in the treated individuals.
A positive response was seen at four weeks but repeated treatments were needed for a lasting effect.
http://www.ns.umich.edu/new/mutimedial/videos/20347-migraine-patients-find-pain-relief-in-electrical-brain-stimulation
Front. Neuro., 21 March 2013 | doi 10.3389/fneur.2013.00025
Elsevier Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section Volume 108, Issue 1, January 1998, pp. 1-16
Elsevier Brain Stimulation Volume 1, Issue 3, July 2008, pp 206-223
Integrative Physiological and Behavioral Science Vol 31,Issue 2,pp88-95 April-June 1996
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