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Brain Imaging

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Related Experiment Video

Updated: May 6, 2026

Analysis of Gene Expression Changes in the Rat Hippocampus After Deep Brain Stimulation of the Anterior Thalamic Nucleus

Analysis of Gene Expression Changes in the Rat Hippocampus After Deep Brain Stimulation of the Anterior Thalamic Nucleus

Published on: March 8, 2015

Thalamic Neuromodulation: New Frontiers.

Janine Hsu¹, Rushna Ali², Ellen Air³

¹Cleveland Clinic Foundation, Cleveland, OH, USA.

Epilepsy Currents

|January 26, 2026

Summary

This summary is machine-generated.

Neuromodulation for drug-resistant epilepsy, including deep-brain stimulation (DBS) and responsive neurostimulation (RNS), offers seizure reduction. Optimizing thalamic targets and programming requires further research for improved outcomes.

Keywords:

deep brain stimulation drug-resistant epilepsy neuromodulation responsive neurostimulation stereoelectroencephalography thalamus

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Area of Science:

Neurology
Neurosurgery
Epileptology

Background:

Thalamic neuromodulation has advanced from ablative thalamotomy to network-guided deep-brain stimulation (DBS) and responsive neurostimulation (RNS) for drug-resistant epilepsy.
The anterior thalamic nucleus is the sole FDA-approved DBS target, effective for limbic and temporal epilepsies.
Emerging evidence implicates centromedian and pulvinar nuclei in generalized and neocortical epilepsies.

Purpose of the Study:

To review the evolution and current state of thalamic neuromodulation for drug-resistant epilepsy.
To discuss advanced targeting methods and the role of stereoelectroencephalography in selecting optimal neuromodulation targets.
To compare the efficacy and safety of different neuromodulation modalities and highlight areas for future research.

Main Methods:

Review of current literature on thalamic neuromodulation techniques for epilepsy.
Discussion of advanced imaging, probabilistic atlases, and connectomics for target refinement.
Analysis of thalamic stereoelectroencephalography data for understanding ictal dynamics and biomarker identification.

Main Results:

Anterior thalamic nucleus DBS provides significant seizure reduction in specific epilepsy types.
Centromedian and pulvinar nuclei show promise for other epilepsy classifications.
Both DBS and RNS have distinct advantages, with no single modality proving superior. Pediatric data show similar safety and efficacy to adults.

Conclusions:

Thalamic neuromodulation is an evolving treatment for drug-resistant epilepsy.
Refining neuromodulation targets using advanced techniques and stereoelectroencephalography is crucial.
Further research is needed to optimize target selection and programming paradigms for improved patient outcomes.