CNS Disorders

Question 1

How can you tell a lateral corticospinal tract has damage?

Answer 1

Paralysis in limb muscles

Question 2

How can you tell an anterior corticospinal tract has damage?

Answer 2

Paralysis in trunk muscles

Question 3

How can you tell a dorsal gracile tract has damage?

Answer 3

Can’t feel fine touch in lower limbs/body (below T6)

Question 4

How can you tell a dorsal cuneate tract has damage?

Answer 4

Can’t feel fine touch in lower limbs/body (above T6)

Question 5

How can you tell an anterior spinothalamic tract has damage?

Answer 5

Can’t feel crude touch

Question 6

How can you tell a ventral spinothalamic tract has damage?

Answer 6

Can’t feel pain or temperature

Question 7

How can you tell a corticobulbar tract has damage?

Answer 7

Paralysis in muscles of neck or above

Question 8

How can you tell the location of the infarct causing a stroke?

Answer 8

Side:
- opposite side to symptoms

Lobe:
1. Frontal - motor issues
- speech impaired
- cognitive impairment
2. Parietal - sensory issues
- language sensory issues
- loss of spatial orientation
- loss of self-perception
3. Temporal - auditory processing issues
4. Occipital - visual processing issues