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6 Cards in this Set
- Front
- Back
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What is phantom limb pain? Who experiences it? |
Feeling pain in a limb that has been amputated. Experienced by 80% of people with amputations. |
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What point along the pain pathway can phantom limb pain originate? |
Can occur at the dorsal horn, but primarily occurs at the somatosensory cortex. |
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Describe the sensory homunculus. What happens to the representation of the amputated area? |
The sensory homunculus represents which regions in the cortex are responsible for which body parts. For amputees, the amputated area can get innervated by neighbouring regions. |
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How does pursing the lips cause phantom limb pain? |
Pursing the lips activates the region of the cortex responsible for that area, but the nerves in that area can also begin to innervate the inactive area responsible for the amputated limb in the cortex. |
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Applied. Which body part is most likely to stimulate phantom pain in the left amputated leg? |
The upper body parts (e.g. the trunk, the head, the neck, the shoulders, and the arm). |
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What is mirror therapy? Why does it work? |
Reliving pain in a patient with phamton limb pain using a visual illusion - a mirror image of the opposite arm to replicate the amputated arm. Visual perception can dominated overall perception; mirror neurons and the visual input can help reclaim the cortical area for the amputated limb. This will reduce its activation by neighbouring areas. |
