4.1 neuro - indirect motor pathways

Question 1

What 3 descending pathways make up indirect motor pathways

Answer 1

vestibulospinal tracts, reticulospinal tracts, tectospinal tract

Question 2

Origin of the vestibulospinal tract

Answer 2

vestibular nuclei, pons and medula

Question 3

What does the vestibulospinal tract regulate

Answer 3

reflexive regulation of balance and posture

Question 4

Origin of the reticulospinal tract

Answer 4

reticular formation in pons and medulla

Question 5

What does the reticulospinal tract regulate

Answer 5

function to set muscle tone (adjust posture) in anticipation of movement

Question 6

In what levels of the spinal cord is the reticulospinal tract found

Answer 6

all

Question 7

Origin of the tectospinal tract

Answer 7

superior colliculus and descends through cervical levels of the spinal cord

Question 8

What does the tectospinal tract regulate

Answer 8

Mediates reflexive movement of head and neck in response to sensory stimuli (vision and hearing)

Question 9

In what levels of the spinal cord is the tectospinal tract found

Answer 9

cervical