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Influence of Brain MRI Segmentation Techniques on EEG Source Analysis   Azeez Ayodeji Adebimpe

Influence of Brain MRI Segmentation Techniques on EEG Source Analysis

80 страниц. 2013 год.
LAP Lambert Academic Publishing
This study investigates influence of brain MR segmentation techniques and implements a framework in Python for a uniform interface to the three different automated segmentation software tools (SPM,FSL and FreeSurfer) in order to be able to compare them consistently. This is done by using the Nipype (Neuroimaging in Python, Pipelines and Interfaces) which provides a uniform interface to these neuroimaging software tools. In addition, the tissue probability maps, masks and surfaces that are required for the head model construction are generated with this framework. The source reconstruction results with the head models constructed with different segmentation tools are evaluated based on the distance error from the source location to the lesion in the post-operative MR images. The SPM head models produced lowest distances error compared to the FSL and the FreeSurfer head models for two patients.
 
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