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4cerebellum_October_2009

4cerebellum_October_2009 - The cerebellum is not just...

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Click to edit Master subtitle style 4/19/10 The cerebellum is not just decorative, it's useful too. It compares motor plans with physical execution and makes adjustments to keep movements, coordinated, fluid and on target. The cerebellum also is involved in motor learning and heaven knows what else.
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Click to edit Master subtitle style 4/19/10 Cerebellum and spinal cord, dorsal Base of the brain, ventral Base of the cerebellum, brainstem cut Dissection showing fibers paths from the cerebellum to the pons Sagittal section of brain, right side Gross anatomy of the cerebellar cortex foliu m arbor vitae
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Click to edit Master subtitle style 4/19/10 Functional divisions of the Cerebellar Cortex Spinocerebellum (paleocerebellum), paramedian & median (vermis) zones Phylogenetically older than the neocerbellum Receives input from the spinal cord Somatotopic organization (note body parts in sketch) Paramedian , regulates distal muscles Median, regulates proximal muscles & some eye movements Cerebrocerebellum (neocerebellum), lateral zone Phylogenetically new Receives input from the contralateral cortex Regulates complex sequences of movement, including speech Vestibulorcerebellum , caudal & inferior lobes (or flocculus & nodulus) Phylogenetically ancient Receives input from the vestibular nuclei Regulates posture and balance including some eye movements verm is
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4/19/10 Deep Cerebellar Nuclei Fastigial Interpose d Dentate Dentate Input from the
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