Brain control of motor functions - CNS control of motor functions - Upper motor neurons (UMNs)
6 important questions on Brain control of motor functions - CNS control of motor functions - Upper motor neurons (UMNs)
Upper motor neurons (UMNs) are cell bodies found in which 3 brain structures:
- Brainstem
- primary motor cortex
- premotor cortex
What do UMNs in the primary motor cortex do?
Enable someone to do skilled movements that require precise coordination across space and time (spatiotemporal)
What do UMNs in the premotor cortex do?
What do they allow UMNs in the PMC to do?
- Higher grades + faster learning
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Name the 3 responsibilities that UMNs in the brainstem have
- regulating muscle tone
- orienting eyes, head and body
- critical for the control of posture
What does the anterior cinigulate gyrus govern the expression of?
What do the UMNs in the brocas initiate
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