Cortical stimulation has been used since 1991 to treat neuropathic pain. However, the underlying mechanisms are still incompletely understood and under-studied. In this protocol, the investigators aim to study the myeloarchitectonic and functional characteristics of areas activated by cortical epidural electrodes and to determine their relation to therapy response in chronic neuropathic refractory pain patients.
adults
patient implanted with a motor cortical stimulation system for chronic neuropathic refractory pain,
patient with available postoperative scanner
None
adults who were implanted with a motor cortical stimulation system for treatment of chronic neuropathic refractory pain between 2003-2023
Cohort
Retrospective
Not listed
Pourcentage of pain relief
percentage of pain relief for different stimulated areas
location of leads on the postoperative imaging
location of leads on the postoperative imaging
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