Basal ganglia collectively describe a group of nuclei in the subcortical region of brain that are located deep beneath the cerebral cortex. The main functional components of basal ganglia are striatum, globus pallidus, ventral pallidum, substantia nigra and subthalamic nucleus. Dorsal striatum contains putamen and caudate nucleus while ventral striatum is formed by nucleus accumbens and olfactory tuberculosis. Basal ganglia are specialized in processing information on brainpage modulation and in fine-tuning the activity of brain circuits that determine the best possible response to a given situation. Thus, they play an important role in planning actions that are required to achieve a particular goal, in executing well-practiced habitual actions, and in learning new knowledge in classroom situations.
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