4cerebellum_October_2009

4cerebellum_October_2009 - The cerebellum is not just...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
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.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
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
Background image of page 2
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
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4/19/10 Deep Cerebellar Nuclei Fastigial Interpose d Dentate Dentate
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/18/2010 for the course BISC 421 at USC.

Page1 / 16

4cerebellum_October_2009 - The cerebellum is not just...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online