All things TRACTS

Question 1

What is the function of the PCMLS

Answer 1

Proprioception, sensation, and non discriminative touch

2 point discrimination

Question 2

What is the function of the spinal trigeminal tract?

Answer 2

crude touch, temperature, and pain of the face

Question 3

What is the function of the principal sensory trigeminal tract?

Answer 3

Discriminative touch
2 point localization
vibratory sense
proprioception of the FACE

Question 4

What is the function of the anterolateral system? (spinothalamic)

Answer 4

crude touch, temperature and pain to the body

Question 5

What is the function of the anterolateral system?(spinoreticular)

Answer 5

Awareness of pain but not a particular sensation in a region

Question 6

What is the function of the corticospinal tract?

Answer 6

fine motor control of hand

motor neuron recruitment to increase force

inhibition of postural reflexes

Question 7

What is the function of the corticobulbar tract?

Answer 7

Control of muscles of the face, chewing, speech, and swallowing

Question 8

What is the function of the rubrospinal tract?

Answer 8

Facilitation of upper limb flexors

Question 9

What is the function of the lateral vestibulospinal tract?

Answer 9

Facilitation of extension against gravity

Question 10

What is the function of the medial vestibulospinal tract?

Answer 10

Coordination of head movements

Question 11

What is the function of the pontine reticulospinal tract?

Answer 11

Facilitation of postural reflexes

Question 12

What is the function of the medullary reticulospinal tract?

Answer 12

Inhibition of spinal segemental reflexes

Question 13

What is the function of the tectospinal tract?

Answer 13

Coordination of head and eye movements