1. Corticonuclear Projections and
Innervation of the Oral Cavity

2. Face Area of Somatomotor Cortex and Frontal Eye Field
See Atlas Fig. 2-11

3. Corticonuclear Fibers* * * * * *

4. Internal Capsule in MRI Internal Capsule
Atlas Fig. 5-12

5. Corticonuclear Fibers* * * * * *

6. Corticonuclear Fibers in the Crus Cerebri
FP fibers
Face UE LE
POT fibers

8. Trigeminal Nerve: CN V * * * * * *

9. Facial Nerve: CN VII

10. Facial Nerve: CN VII * * * * * *

11. The Facial Nerve
Central Seven
Bell Palsy
Text Fig

12. Smile

13. Smile

14. Pan Am Smile
Duchenne smile

15. Pan Am Smile

16. Duchenne smile

17. Corticonuclear Fibers
Vagus X
Nucleus ambiguus
Hypoglossal nucleus
Text Fig

18. Corticonuclear Fibers
Nucleus ambiguus
Hypoglossal nucleus
Text Fig

19. Lesion of the Hypoglossal Nerve
Text Fig

20. Accessory Nerve CN XI * * * * * *

21. Trapezius & sternocleidomastoid
Accessory Nerve CN XI
Motor neurons in the cervical spinal cord
Trapezius & sternocleidomastoid
muscles

22. Thereby, rotating the head to turn the face to the opposite direction
Sternocleidomastoid
Trapezius
Gray’s Anatomy for students: Figs page 920, 7.9 page 614
The sternocleidomastoid will tilt the head towards the shoulder on the same side,
Thereby, rotating the head to turn the face to the opposite direction

23. Case Study

24. Case Study

25. Brainstem Syndromes Involving Corticospinal Fibers and Cranial Nerves

26. Table 25-1

27. The Uncus and Uncal Herniation

28. Uncus
Pernkopf Anatomy, Urban & Schwarzenberg, Munich, 1989, Figure 202

29. The Uncus and Uncal Herniation
Text Fig
Atlas Fig. 5-14

30. Third Nerve Palsy
Eye “down and out”

31. Corticonuclear Fibers in the Crus Cerebri
FP fibers
Face UE LE
POT fibers
Atlas Fig. 5-24
Atlas Fig. 5-24

32. The Kernohan Syndrome
Atlas Fig. 5-23
Text Fig

34. Thank you