14 Cerebellum
![](https://photos.thisispiggy.com/file/wikiFiles/X0FTih6.jpg)
Anatomy
![](https://photos.thisispiggy.com/file/wikiFiles/a6ysK8U.jpg)
2 ways to see anatomy:
- anterior, posterior, flocculonodular lobes
- vermis, hermisphere
![](https://photos.thisispiggy.com/file/wikiFiles/ZC7TaN2.jpg)
Peduncles
![](https://photos.thisispiggy.com/file/wikiFiles/nvP3imd.jpg)
Inferior and middle peduncle
![](https://photos.thisispiggy.com/file/wikiFiles/50FTiv4.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/sA4pEzE.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/wJijMEH.jpg)
Superior Peduncle
![](https://photos.thisispiggy.com/file/wikiFiles/1yP05W5.jpg)
- modify motor activity of cortex
![](https://photos.thisispiggy.com/file/wikiFiles/3bZ5T6G.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/0IQ9bZp.jpg)
- dentate most lateral located, influences same part of thalamus that basal ganglia influences
![](https://photos.thisispiggy.com/file/wikiFiles/Zt4pDzf.jpg)
- dentate most lateral, lesions behave like lateral lesions
- other nuclei lesions behave more like medial lesions
![](https://photos.thisispiggy.com/file/wikiFiles/pL5TN1D.jpg)
- purkinje can modify deep nuclei
Cerebellar Lesions
![](https://photos.thisispiggy.com/file/wikiFiles/TA5H8Fn.jpg)
- left side influences left body
![](https://photos.thisispiggy.com/file/wikiFiles/EbwEBjk.jpg)
Lateral lesions
![](https://photos.thisispiggy.com/file/wikiFiles/aHSrXNV.jpg)
- dysmetria: can't control where movement happens (touch nose/finger)
- intention tremor: begin to shake
- leg: falling because can't position
Central
![](https://photos.thisispiggy.com/file/wikiFiles/4KatcPP.jpg)
- truncal: wobbly because can't hold trunk in midline
![](https://photos.thisispiggy.com/file/wikiFiles/NRYvWcH.jpg)
- Difficult to get feet planted in right place. If too narrow will fall over, therefore wide to avoid fall
![](https://photos.thisispiggy.com/file/wikiFiles/cQDXoM0.jpg)
- wide gait ataxia and falling with eyes open
![](https://photos.thisispiggy.com/file/wikiFiles/YL7yi0m.jpg)
- can't coordinate movement, including mouth movement
![](https://photos.thisispiggy.com/file/wikiFiles/mduyZ9n.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/jo6Ccwp.jpg)
- nausea/vomiting due to area postrema triggered and increased ICP
Hereditary Ataxias
![](https://photos.thisispiggy.com/file/wikiFiles/v9XAdsr.jpg)
Ataxia Telangiectasia
![](https://photos.thisispiggy.com/file/wikiFiles/Aeo2lT6.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/0wDhMyJ.jpg)
- cancer usually what's fatal
![](https://photos.thisispiggy.com/file/wikiFiles/7dMbwJG.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/Y5jgFdt.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/wLnrH8A.jpg)
Fredreich
![](https://photos.thisispiggy.com/file/wikiFiles/V397fER.jpg)
- remember brain, heart, pancreas
![](https://photos.thisispiggy.com/file/wikiFiles/Vg00MCb.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/aevug8h.jpg)
![](https://photos.thisispiggy.com/file/wikiFiles/GHJN5Nc.jpg)
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