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  4. Structural Graph Analysis of Left and Right Temporal Lobe Epilepsy using Diffusion Spectrum Imaging
 
conference paper not in proceedings

Structural Graph Analysis of Left and Right Temporal Lobe Epilepsy using Diffusion Spectrum Imaging

Lemkaddem, Alia  
•
Daducci, Alessandro  
•
Lazeyras, Francois
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2014
The International Society for Magnetic Resonance in Medicine (ISMRM)

Patients with Temporal Lobe Epilepsy (TLE) suffer from widespread subtle white matter abnormalities and abnormal functional connectivity extending beyond the affected lobe, as revealed by volumetric and functional MRI studies. Diffusion Magnetic Resonance Imaging and fiber-tracking offer a noninvasive technique for mapping human brain connectivity and have been increasingly used to study patients with epilepsy. In this study we investigated the effects of two types of TLE ( right-sided and left-sided ) on the global characteristics of brain connectivity estimated by topological measures to reduce the complexity of its interpretation. We used Diffusion Spectrum Imaging (DSI), a high angular resolution diffusion technique, to address the difficulty of Diffusion Tensor Imaging (DTI) to disentangle multiple fiber orientations in a single voxel. Further, a global tractography method was utilized to reconstruction the non-dominate pathways.

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Type
conference paper not in proceedings
Author(s)
Lemkaddem, Alia  
Daducci, Alessandro  
Lazeyras, Francois
Seeck, Margitta
Thiran, Jean-Philippe  
Date Issued

2014

Subjects

LTS5

•

Diffusion

•

DSI

•

Tractography

•

Epilepsy

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTS5  
Event nameEvent placeEvent date
The International Society for Magnetic Resonance in Medicine (ISMRM)

Milan, Italy

May 10-16, 2014

Available on Infoscience
February 14, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/100619
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