Thalamic field potentials in chronic central pain treated by periventricular gray stimulation – a series of eight cases

Abstract
Chronic deep brain stimulation (DBS) of the periventricular gray (PVG) has been used for the treatment of chronic central pain for decades. In recent years motor cortex stimulation (MCS) has largely supplanted DBS in the surgical management of intractable neuropathic pain of central origin.