Lecture 17

Question 1

What is the central core of the brainstem called?

Answer 1

Reticular formation

Question 2

Where do the reticular formation fibres project?

Answer 2

Cerebral cortex to spinal cord

Question 3

What does the reticular formation include?

Answer 3

Integrate cranial nerve reflexes

participate in conduction and modulation of pain

Influence voluntary movement

Question 4

What does the reticular formation occupy?

Answer 4

Tegmentum

Question 5

What area receives many of the inputs to the reticular formation?

Answer 5

Parvocellular area

Question 6

Where is the raphe nuclei located?

Answer 6

Near the midline

Question 7

What is involved in raphe nuclei?

Answer 7

Production and distribution of monoamine neurotransmitters

Question 8

What are the important roles of the reticular formation?

Answer 8

Control of cardiac and respiratory function via centres in the medulla

Influence on muscle tone via pontine and medullary reticulospinal tracts

Descending pain modulation pathways

Ascending pathways in the upper pons and midbrain that contribute to maintaining consciousness