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10 Cards in this Set
- Front
- Back
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what is the role of the rubrospinal tract? |
gross limb movements in the hand |
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what is the role of the vestibulospinal tract? |
control of balance and posture by innervating "antigravity muscles" -medial VST = head and neck movements -lateral VST = body movements |
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what is the role of the reticulospinal tract? |
-automatic posture control (ie anticipatory postural adjustments) and gait control (hosts the mesencephalic locomotor region MLR that controls gait CPGs) |
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what does the tectospinal tract do? |
connects head, neck and eye movements in response to visual stimulus (visually guided head movements) |
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what tract is uncrossed in the extrapyramidal system? |
-the lateral vestibulospinal tract (body posture movements) -possibly also the reticular formation (?) (anticipatory postural adjustments) |
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what tract is in the lateral part of the spinal cord (all others in the medial part) |
the rubrospinal tract |
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where is the nucleus for the tectospinal tract?
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the superior colliculus in the midbrain |
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where is the nucleus for the reticulospinal tract? |
the reticular formation -in the medial pons and medulla |
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where is the nucleus for the vestibulospinal tract? |
the vestibular nuclei lateral in the medial pons medial in the medial medulla |
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where is the nucleus for the rubrospinal tract? |
the red nucleus (in the medial midbrain) |
