Parkinson’s disease, Huntington’s disease and Ataxia are motor dysfunctions. Describe and explain the hallmarks/symptoms and the affected brain regions /neurons affected per each disorder.

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Select all that are true of motor pathways. They are composed of at least two neurons. Somas of upper motor neurons are housed within the spinal cord. Lower motor neurons can be excitatory or inhibitory. Axons of lower motor neurons innervate skeletal muscle cells. ©2017 McGr