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Related Experiment Video

Updated: Jun 24, 2026

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
12:09

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy

Published on: August 5, 2014

Language network reorganization in temporal lobe epilepsy: insights from task-based functional MRI.

Tamjid Imtiaz1, Alfredo Lucas1, Eli Cornblath2

  • 1Center for Neuroengineering and Therapeutics, University of Pennsylvania, Philadelphia, PA, USA; Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.

Neuroimage. Clinical
|June 22, 2026
PubMed
Summary

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Acute and Long-Term EEG and seizure characteristics in new onset refractory status epilepticus (NORSE).

Epilepsia·2026
This summary is machine-generated.

Left temporal lobe epilepsy (TLE) patients exhibit greater language network reorganization than right TLE patients, especially with earlier onset and longer duration. These findings aid surgical planning for epilepsy treatment.

Area of Science:

  • Neuroscience
  • Epilepsy Research
  • Functional Neuroimaging

Background:

  • Recurrent seizures in temporal lobe epilepsy (TLE) can disrupt temporal lobe and language regions, leading to neural reorganization.
  • Understanding language network plasticity is crucial for managing TLE and its cognitive consequences.

Purpose of the Study:

  • To investigate how language reorganization in TLE varies with seizure location, age of onset, and epilepsy duration.
  • To utilize task-based functional magnetic resonance imaging (tb-fMRI) to map these changes.

Main Methods:

  • Included 84 drug-resistant TLE patients undergoing a tb-fMRI sentence completion task.
  • Analyzed whole-brain and region of interest (ROI) activation and reorganization extent.
  • Assessed the impact of age of onset and epilepsy duration on reorganization.
Keywords:
Language lateralizationLanguage network reorganizationMagnetic resonance imagingNeuropsychological assessmentTemporal lobe epilepsy

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Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
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Last Updated: Jun 24, 2026

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
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Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy

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Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
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Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients

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Main Results:

  • Greater language network reorganization was observed in left TLE (LTLE) compared to right TLE (RTLE) at both whole-brain and ROI levels.
  • Specific regions like the middle frontal gyrus and posterior temporal gyrus showed more reorganization in LTLE.
  • Earlier age of onset and longer epilepsy duration significantly influenced reorganization in LTLE patients.

Conclusions:

  • LTLE patients, particularly those with earlier onset and longer disease duration, display more pronounced language network reorganization.
  • Identifying these reorganization patterns can inform surgical strategies and personalized treatments to preserve cognitive function in TLE.