Brainstem Introductory Discussion

Lab Objectives

  1. Describe where the cranial nerves exit the brainstem.
  2. Describe the columnar organization of the cranial nerve nuclei.
  3. Identify the regions of the brainstem in cross section.
  4. Identify the location and function of the major cranial nerve nuclei in cross sections of the brainstem.
  5. Locate the primary motor cortex.
  6. Identify the position of the corticospinal tract in cross sections of the brainstem.
  7. Describe the significance of the pyramidal decussation.
  8. Define the terms: upper motor neuron, lower motor neuron
  9. Describe their functional importance.
  10. Define the terms 1st, 2nd and 3rd order neuron.
  11. Describe the the functions of the dorsal column and spinothalamic systems.
  12. Locate these system in cross sections of the brainstem and in the cerebral cortex.

Lecture List

Brainstem Part 1 to 5

Brainstem Part 1

Brainstem Part 1 Gallery

Brainstem Part 2

Brainstem Part 2 Gallery

Brainstem Part 3: Primary Motor Pathway

Brainstem Part 3 Gallery

Brainstem Part 4: Upper and Lower Motor Neurons

Brainstem Part 4 Gallery

Brainstem Part 5: Sensations

Brainstem Part 5 Gallery