Flashcards in Lecture 38: Pain and touch Deck (6)
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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?
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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?
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6