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Sensorimotor Learning and the Basal Ganglia

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Encyclopedia of Neuroscience
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Synonyms

Value, actions and reinforcement learning in the basal ganglia

Definition

Sensorimotor learning in the basal ganglia refers to the learning in which neurons in the striatum learn to encode and update the reward values of external stimuli and actions based on the reward prediction error signals from dopamine neurons.

Characteristics

Dopamine-Dependent Plasticity of Cortico-Striatal Synaptic Transmission

The striatum is a rostro-caudally elongated subcortical structure, and is composed of laterally located putamen and medio-dorsally located caudate nucleus. It is the input stage of the basal ganglia receiving major signals from almost all parts of the cerebral cortical areas and centro-median parafascicular nuclei of the thalamus in a topographically organized manner. These projections use glutamate as a transmitter. In addition, dopamine neurons in the substantia nigra pars compacta, serotonin-containing neurons in the dorsal raphe and noradrenergic neurons in the locus...

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Kimura, M., Ueda, Y. (2009). Sensorimotor Learning and the Basal Ganglia. In: Binder, M.D., Hirokawa, N., Windhorst, U. (eds) Encyclopedia of Neuroscience. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-29678-2_5322

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