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PT631 Lecture 10

This video covers the motor tracts in the spinal cord and local interneurons (i.e., central pattern generators). The corticospinal tract conveys conscious motor commands. Nonconscious motor tracts from the brainstem allow us to maintain our balance and walk without giving those acts any thought. The local interneurons create patterns of output from different inputs. Some of these outputs are reflexes (e.g., stretch reflexes), while others are just refinements of conscious motor commands.