{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lec 5 - Cerebellum-Eye Movements - 8 Oct 08

Lec 5 - Cerebellum-Eye Movements - 8 Oct 08 - Cortical Pons...

Info iconThis preview shows pages 1–22. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 5 The Motor System – Cerebellum & Eye Movements 08 Oct 08 MR WR
Background image of page 1

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

View Full Document Right Arrow Icon
Motor Systems: Revisiting the Big Picture
Background image of page 2
Introducing the Cerebellum… 1
Background image of page 3

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

View Full Document Right Arrow Icon
…and examining eye movements in relation to coordination 2 1 Eye Movements
Background image of page 4
Cerebellum
Background image of page 5

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

View Full Document Right Arrow Icon
-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
Background image of page 6
Anatomical Overview of the Cerebellum
Background image of page 7

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

View Full Document Right Arrow Icon
Anatomical Overview of the Cerebellum
Background image of page 8
Anatomical Overview of the Cerebellum
Background image of page 9

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

View Full Document Right Arrow Icon
Related Brainstem and Diencephalic Components
Background image of page 10
Cerebellar Afferents
Background image of page 11

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

View Full Document Right Arrow Icon
Cerebellar Afferents
Background image of page 12
1) Motor signals:
Background image of page 13

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

View Full Document Right Arrow Icon
Background image of page 14
Background image of page 15

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

View Full Document Right Arrow Icon
Background image of page 16
Background image of page 17

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

View Full Document Right Arrow Icon
Background image of page 18
Background image of page 19

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

View Full Document Right Arrow Icon
Background image of page 20
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

{[ snackBarMessage ]}