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Papers of the Week


2020 May 17


Neurophysiol Clin

Is the analgesic effect of motor cortex stimulation somatotopically driven or not?

Authors

Pommier B, Quesada C, Nuti C, Peyron R, Vassal F
Neurophysiol Clin. 2020 May 17.
PMID: 32434693.

Abstract

Mechanisms of analgesic efficacy related to motor cortex stimulation (MCS) remain poorly understood. Specifically, it is unclear whether pain relief is somatotopically driven or not. We present three illustrative case-reports of MCS in which unintentional stimulation setting errors occurred, leading to differential (and reversible) pain relief outcomes across the hemi-body.