the corticobulbar system

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the corticobulbar system
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Resources

• Neuroanatomy Text and Atlas Chapter 11
  Introduction (Handout)
• http//www.columbia.edu/itc/hs/medical/histology/c
  ourse_online/
• Year 1 Neuroanatomy Atlas
• Descending motor pathways--selected
  images(compare with powerpoint handout)

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Corticobulbar system

• Cortical motor systems
• Corticospinal
• Corticobulbar
• Primarily bilateral control
• Jaw
• Larynx, pharynx
• Tongue
• Upper facial muscles
• Contralateral control
• Lower facial muscles

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Muscle
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Cingulatemotorarea
1 motorcortex
Upper facialmuscles
Upper facialmuscles
Upperfacialmuscles
Lower facialmuscles

• Bilateral control of upper facial muscles
• 2. Redundant control of upper facial muscles

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Cortical motor areas-lateral view
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Cortical motor areas-medial view
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Animation
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Animation
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