Phantom limb Flashcards

1
Q

what do amputations cause

A

reorganisation of S1

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2
Q

what is phantom pain caused by

A

reorganisaion of S1 - pain comes directly from brain (no stimulus)

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3
Q

what do amputees often report

A

vivid sensory representation of their missing limb
phantom mvmts of the missing limb
feel phantom limb with stimulation of other body parts (reference field)

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4
Q

what are reference fields

A

the areas in S1 adjacent to missing limb may being to take over during remapping
- ex: arm and face are next to hand so patient may feel pain in face during reorg

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5
Q

what is a way to relieve phantom pain

A

mirror box therapy - gives the illusion of phantom limb moving

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6
Q

when is the best time to do mirror box therapy and how much

A

early = more effective because less remapping has occurred
more therapy = less remapping

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7
Q

what occurs to the motor areas of the brain during phantom limb

A

representation of limb is preserved in the brain
- motor areas of the brain are active when the individual with phantom hand is asked to move their hand

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8
Q

is there a relationship between sensory and motor reorg

A

yes - they will reorg at the same time

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9
Q

what is the relationship between cortical reorg and phantom pain

A

more reorg = more pain

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