18BasalGanglia

18BasalGanglia - Modulation of Movement by Basal Ganglia...

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Unformatted text preview: Modulation of Movement by Basal Ganglia Basal Ganglia and cerebellum function in modulating movement Basal ganglia involved in planning complex movements; cerebellum coordinates execution of ongoing movements Both planning and coordinating require integration of information about self, environment, and activity (both intention and execution). The Basal Ganglia Brain parts of interest Neostriatum Caudate Putamen Globus pallidus Subthalamic nuclei (part of diencephalon) Substantia nigra (part of mesencephalon) Figure 18.1 Motor components of the human basal ganglia (Part 1) Figure 18.1 Motor components of the human basal ganglia (Part 2) Sensory Information and Motor Commands Features Massive cortical inputs Single, main processing station Intermediate relay station Projections to thalamus Projections to premotor or motor cortex Figure 18.2 Anatomical organization of the inputs to the basal ganglia Figure 18.4 Regions of the cerebral cortex that project to the corpus striatum Figure 18.3 Neurons and circuits of the basal ganglia (Part 1) Caudate and putamen function as main processing station. Figure 18.3 Neurons and circuits of the basal ganglia (Part 2)...
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18BasalGanglia - Modulation of Movement by Basal Ganglia...

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