Related Experiment Video
Updated: Jun 15, 2026
12:09
Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
Published on: August 5, 2014
18.0K
Estimated Disease Progression Trajectory of White Matter Disruption in Unilateral Temporal Lobe Epilepsy: A
Daichi Sone1,2, Noriko Sato1, Yoko Shigemoto1
1Department of Radiology, National Center of Neurology and Psychiatry, Tokyo 187-8551, Japan.
Brain Sciences
|October 25, 2024
Summary
This study reveals a white matter (WM) damage progression pattern in temporal lobe epilepsy (TLE). This trajectory, starting in the uncinate fasciculus, may serve as an individual biomarker for epilepsy.
Area of Science:
- Neuroimaging
- Epilepsy Research
- White Matter Integrity
Background:
- Progressive brain alterations are increasingly implicated in epilepsy.
- Individual trajectories of white matter (WM) disruption in epilepsy remain largely unknown.
Purpose of the Study:
- To investigate disease progression patterns of WM damage in unilateral temporal lobe epilepsy (TLE).
- To explore associations between WM disruption and clinical metrics in TLE patients.
Main Methods:
- Diffusion tensor imaging (DTI) data from 155 TLE patients and 270 controls were analyzed.
- Fractional anisotropy (FA) values in 20 WM tracts were calculated.
- The Subtype and Stage Inference (SuStaIn) program modeled FA change trajectories and their clinical associations.
Main Results:
- A single progression model was identified, initiating damage in the ipsilateral uncinate fasciculus (UF) and spreading to other tracts like the forceps, SLF, and ATR.
- This pattern held true for TLE with hippocampal sclerosis and TLE with no lesions.
- Advanced stages correlated with longer disease duration and increased anti-seizure medication (ASM) use.
Conclusions:
- A WM tract-based disease progression model offers a potential novel biomarker for individual-level assessment in epilepsy.
- Understanding WM disruption patterns can inform personalized treatment strategies.
More Related Videos
Related Concept Videos
01:05Single Nucleotide Polymorphisms-SNPs
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
01:17Classification of Illness
The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...
01:18Steps in Outbreak Investigation
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis: