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Reorganization of the somatosensory cortex after amputation of the index finger

 

作者: Thomas Weiss,   Wolfgang Miltner,   Jennifer Dillmann,   Winfried Meissner,   Ralph Huonker,   Hannes Nowak,  

 

期刊: NeuroReport  （OVID Available online 1998）
卷期: Volume 9, issue 2  

页码: 213-216

 

ISSN:0959-4965

 

年代: 1998

 

出版商: OVID

 

关键词: Cortical reorganization;Magnetoencephalography (MEG);Pain;Phantom limb;Somatosensory evoked magnetic fields

 

数据来源: OVID

 

摘要:

CORTICAL reorganization occurs within the primary somatosensory and the primary motor cortex after amputation of the arm or forearm. Here we report on a patient showing cortical reorganization after amputation of his right index finger. Our findings indicate that the neural networks within the area of the amputated finger in the somatosensory cortex (SI) were invaded by neighbouring structures, i.e. of neural cell assemblies that subserve the thumb and middle finger of his right hand.

 

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