N-90 LEARNING OBJECTIVES: MOTOR CONTROL: BRAINSTEM AND CEREBRAL CORTEX 1. List the brainstem descending pathways that make up the lateral and medial systems. Identify the general functions of the medial and lateral systems pathways. 2. Identify the locations and functions of the cortical regions that give rise to the corticospinal tract. 3. Identify the course of the corticospinal tract as it travels from the cortex to the spinal cord. 4. Define the terms “upper motor neuron” and “lower motor neuron.” Compare and contrast the signs associated with damage to upper vs. lower motor neurons.
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