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| neuroanatomy [2025/06/09 18:45] – Scott Larson | neuroanatomy [2025/06/18 19:10] (current) – Scott Larson | ||
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| - | ====== Neuroanatomy of the Visual | + | ====== Neuroanatomy of the Oculomotor |
| - | FIXME | + | |
| + | ==== Supranuclear Pathways ==== | ||
| + | * Frontal Eye Fields | ||
| + | * Saccades originate here on the contralateral side of the direction of the saccade | ||
| + | * Left Frontal eye field generates signal to right pons for horizontal saccades and | ||
| + | * Parietal Occipital Temporal Region generates pursuit movements and uses the same downstream pathways | ||
| + | ====Nuclear Centers==== | ||
| + | * Horizontal eye movement- Pons | ||
| + | * Oculomotor Nucleus | ||
| + | * Abducens Nucleus | ||
| + | * Vertical eye movements- Midbrain at the Thalamo-mesocenphalic junction | ||
| + | ====Internuclear Pathways==== | ||
| + | * PPRF- parapontine reticular formation | ||
| + | * near the 6th nerve nucleus | ||
| + | * MLF- coordinates horizontal gaze nuclei | ||
| + | * Connects the 6th nerve nucleus to the 3rd nerve nucleus | ||
| + | ====Infranuclear Pathways==== | ||
| + | * Nerve axons to synapse then muscle contraction | ||
| + | ==== Diagram of Horizontal Gaze Pathways ==== | ||
| + | {{:: | ||
| [[https:// | [[https:// | ||