Spinothalamic Flashcards
1
Q
What is tested in the spinothalamic tract?
A
Crude touch
Temp
Discriminative pain
2
Q
What is associated with crude touch?
A
Pleasurable touch
Tickle/itch
Less localized info
3
Q
What is crude touch transmitted by?
A
Unmyelinated C fiber axons
4
Q
Where does crude touch project to?
A
Left insula (positive emotion)
5
Q
What carries impulses produced by cooling?
A
A-delta fibers
6
Q
What carries information regarding heat?
A
C fibers
7
Q
What is considered fast pain (spinothalamic)?
A
Rapidly conducted action potentials carried by large diameter, myelinated axons
8
Q
What is considered slow pain (spinolimbic)?
A
Slow action potentials carried by smaller, less heavy myelinated axons
9
Q
What is crossed analgesia?
A
Ipsilateral analgesia in the face along with contralateral analgesia in the body
