Term
| motor cortex is located at what gyrus? UMNs here cause? |
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Definition
| precentral gyrus; simple movements |
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Term
| Lateral pre-motor cortex is located? is involved in what? |
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Definition
| anterior to precentral gyrus; involved in sensory guided movements |
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Term
| supplementary motor area is located where? and involved in? |
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Definition
| medial portion of lateral pre motor cortex; involved in self-initiated movements, bimanual coordination |
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Term
| lesions to the SMA or Lat. PMC results in ? |
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Definition
| apraxia ( impaired movements) |
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Term
| lesions in the motor cortex result in? |
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Definition
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Term
| Name the three brainstem nuclei involved in the bulbospinal tract |
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Definition
| red nucleus (rubrospinal), reticular formation (reticulospinal), medial and lateral vestibular nuclei (vestibulospinal) |
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Term
| What do the bulbospinal tracts control by modulating stretch reflexes? |
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Definition
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Term
| bulbospinal tract axons run parallel to which tract? |
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Definition
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Term
| decorticate rigidity is associated with what symptoms? |
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Definition
| increased muscle tone in arm flexor and posturing of shoulder, wrist and elbow. and leg extensor maybe involved |
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Term
| derebrate rigidity involves? |
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Definition
| increased muscle tone in leg extensor and arm extensor and associated posturing |
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