The traditional thought was that the extrapyramidal system operated entirely independently of the pyramidal system.
2.
Motor control from both the pyramidal and extrapyramidal systems have extensive feedback loops and are heavily interconnected with each other.
3.
Along the way, feedback, such as that of the extrapyramidal system contribute signals to influence muscle tone and response.
4.
It is one of the four major dopamine pathways in the brain, and is particularly involved in modulation of the extrapyramidal system.
5.
All of these regulatory components can be considered part of the extrapyramidal system, in that they modulate motor activity without directly innervating motor neurons.
6.
The tracts associated with the extrapyramidal system are controlled by various structures of the central nervous system, such as the cerebellum and basal ganglia.
7.
He did major research on the anatomy and disorders of the " corpus striatum " and the extrapyramidal system, and described several movement disorders.
8.
The disappearance of the head movements while asleep implies that their origin may lie within the extrapyramidal system which is a part of the motor system that controls coordination of movement.
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