Lec 5 - Cerebellum-Eye Movements - 8 Oct 08

Lec 5- - Cortical Pons Cerebrocerebellum 1 Sensory(Vestibular signals Vestibular nuclei in brainstem vestibulocerebellum 1 Sensory(Proprioceptive

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Lecture 5 The Motor System – Cerebellum & Eye Movements 08 Oct 08 MR WR
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Motor Systems: Revisiting the Big Picture
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Introducing the Cerebellum… 1
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…and examining eye movements in relation to coordination 2 1 Eye Movements
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Cerebellum
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-primary function is to detect differences between intended and actual movements (“motor error”) - This motor error can be corrected by the cerebellum, and the correction stored for future use (“motor learning”) - modifies the activity of upper motor neurons - regulates the visual guidance of ongoing movement The Cerebellum
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Anatomical Overview of the Cerebellum
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Anatomical Overview of the Cerebellum
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Anatomical Overview of the Cerebellum
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Related Brainstem and Diencephalic Components
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Cerebellar Afferents
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Cerebellar Afferents
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1) Motor signals:
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Unformatted text preview: Cortical Pons Cerebrocerebellum 1) Sensory (Vestibular) signals: Vestibular nuclei in brainstem vestibulocerebellum 1) Sensory (Proprioceptive) signals: dorsal nuc. (Clarke), external cuneate, trigeminal nuc. spinocerebllum Cerebellar Afferents - Summary Cerebellar Efferents (Ascending) Cerebellar Efferents (Descending) Cerebellar Efferents (Summary) Neurons and Circuits of the Cerebellum Learned changes in the vestibulo-ocular reflex in monkeys Six pairs of extraocular muscles control eye movements The wavy shimmeriness you see in this static image is likely due to the small eye movements we constantly make. Three cranial nerves control the extraocular muscles The circuit that controls eye movements to the right...
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This note was uploaded on 11/02/2008 for the course BISC 421 taught by Professor Hirsch,liman,quick during the Fall '08 term at USC.

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Lec 5- - Cortical Pons Cerebrocerebellum 1 Sensory(Vestibular signals Vestibular nuclei in brainstem vestibulocerebellum 1 Sensory(Proprioceptive

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