Definition
The basal ganglia are a collection of four subcortical nuclei: the striatum, substantia nigra, globus pallidus, and subthalamic nucleus. They are components of several apparently segregated circuits that can be classified according to function as motor, oculomotor, associative, or limbic. Certain neurons in the basal ganglia are major sources of the neurotransmitter dopamine, associated with reward, while others receive dopaminergic inputs; thus, the basal ganglia have received considerable attention in the context of learning. Imbalances in activity across the basal ganglia nuclei within the motor circuit are associated with various motor disorders.
Detailed Description
This section focuses on the motor aspects of the basal ganglia, which have been the subject of most computational studies. The articles can be classified as those concentrating on the activity within particular areas of the basal ganglia, those considering basal ganglia function, and those about the roles of...
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References
Albin RL, Young AB, Penney JB (1989) The functional anatomy of basal ganglia disorders. Trends Neurosci 12:366–375
Chakravarthy VS, Joseph D, Bapi RS (2010) What do the basal ganglia do? Biol Cybern 103:237–253
Mallet N, Micklem BR, Henny P, Brown MT, Williams C, Bolam JP, Nakamura KC, Magill PJ (2012) Dichotomous organization of the external globus pallidus. Neuron 74:1075–1086
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Rubin JE, McIntyre CC, Turner RS, Wichmann T (2012) Basal ganglia activity patterns in parkinsonism and computational modeling of their downstream effects. Eur J Neurosci 36:2213–2228
Stephenson-Jones M, Samuelsson E, Ericsson J, Robertson B, Grillner S (2011) Evolutionary conservation of the basal ganglia as a common vertebrate mechanism for action selection. Curr Biol 21:1081–1091
Further Reading
Alexander GE, Crutcher MD, DeLong MR (1990) Basal ganglia-thalamocortical circuits: parallel substrates for motor, oculomotor, ‘prefrontal’ and ‘limbic’ functions. Prog Brain Res 85:119–146
Bergman H, Feingold A, Nini A, Raz A, Slovin H, Abeles M, Vaadia E (1998) Physiological aspects of information processing in the basal ganglia of normal and parkinsonian primates. Trends Neurosci 21:32–38
Gerfen CR, Wilson CJ (1996) The basal ganglia. Handb Chem Neuroanat 12:371–468
Smith Y, Bevan MD, Shink E, Bolam JP (1998) Microcircuitry of the direct and indirect pathways of the basal ganglia. Neuroscience 86:353–387
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Rubin, J. (2015). Basal Ganglia: Overview. In: Jaeger, D., Jung, R. (eds) Encyclopedia of Computational Neuroscience. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6675-8_760
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DOI: https://doi.org/10.1007/978-1-4614-6675-8_760
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