Lecture 38: Pain and touch Flashcards Preview

Uncategorized > Lecture 38: Pain and touch > Flashcards

Flashcards in Lecture 38: Pain and touch Deck (6)
Loading flashcards...
1

What are the different primary afferent neurons?

Aβ - fibre (touch)
Aδ - fibre (epicritic pain
C - fibre (protopathiC pain)

2

What is the spinothalamic tract?

(also known as anterolateral system or the ventrolateral system) is a sensory pathway from the skin to the thalamus.

TRAVELS FROM SPINE TO THALAMUS

RELAYS INFORMATION ABOUT PAIN AND TEMPERATURE

3

What regions of the brain are important the
sensory-discriminative, affective-motivaitonal and
the cognitive-evaluative aspects of pain?

--

4

How do these processes mediate chronic pain?
– NMDA receptor-­‐mediated
changes in synaptic efficiency
– Phenotypical changes in nocicep6ve neurons
– Morphological changes in neural connec6vity


– NMDA receptor-­‐mediated
changes in synaptic efficiency
– Phenotypical changes in nocicep6ve neurons
– Morphological changes in neural connec6vity

5

***What is the gate theory of pain?

--

6

***How does placebo analgesia work?

--