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KMID : 0892920120210040129
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Experimental Neurobiology
2012 Volume.21 No. 4 p.129 ~ p.135
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Cortical Depression and Potentiation: Basic Mechanisms for Phantom Pain
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Zhuo Min
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Abstract
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People experience the feeling of the missing body part long after it has been removed after amputation are known as phantom limb sensations. These sensations can be painful, sometimes becoming chronic and lasting for several years (or called phantom pain). Medical treatment for these individuals is limited. Recent neurobiological investigations of brain plasticity after amputation have revealed new insights into the changes in the brain that may cause phantom limb sensations and phantom pain. In this article, I review recent progresses of the cortical plasticity in the anterior cingulate cortex (ACC), a critical cortical area for pain sensation, and explore how they are related to abnormal sensory sensations such as phantom pain. An understanding of these alterations may guide future research into medical treatment for these disorders.
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KEYWORD
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anterior cingulate cortex, long-term potentiation, long-term depression, phantom pain, amputation, mice
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