The external globus pallidus (GPe) regulates motor control. However, whether the GPe encodes non-motor information remains unclear. Two recent studies, by Johansson and Ketzef, and Katabi et al., provide in vivo evidence for GPe neuron processing of sensory stimulation and reward cues via a division of labor among its cell types.
Keywords: basal ganglia; cell diversity; non-human primate; rodent.
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