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Updated: Jul 14, 2025
12:09
Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
Published on: August 5, 2014
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[Structural brain changes in patients with temporal lobe epilepsy and comorbid depression].
N V Ierusalimsky1,2, E D Karimova1,2, I S Samotaeva1,2
1Institute of Higher Nervous Activity and Neurophysiology, Moscow, Russia.
Zhurnal Nevrologii I Psikhiatrii Imeni S.S. Korsakova
|October 5, 2023
Summary
Temporal lobe epilepsy (TLE) alters brain structure, causing reduced thalamus and brain stem volumes. Comorbid depression did not show significant associations with these observed MRI changes in TLE patients.
Area of Science:
- Neuroimaging
- Epileptology
- Psychiatry
Context:
- Temporal lobe epilepsy (TLE) is a common neurological disorder.
- Comorbid depression frequently affects TLE patients, impacting quality of life.
- Understanding the neurobiological underpinnings of TLE and its comorbidities is crucial.
Purpose:
- To investigate morphological brain differences in TLE patients with and without comorbid depression.
- To compare brain structure in TLE patients to healthy controls using MRI.
- To determine if depression influences structural brain changes in TLE.
Summary:
- MRI revealed significant structural changes in TLE patients, including decreased thalamus and brain stem volumes and altered cortical thickness in specific regions.
- No significant association was found between the presence of depression and these structural brain alterations in TLE.
- Findings suggest TLE itself, rather than comorbid depression, is primarily associated with observed morphological changes.
Impact:
- Provides insights into the neuroanatomy of TLE.
- Differentiates the structural impact of TLE from comorbid depression.
- Informs future research on TLE pathophysiology and treatment strategies.
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