Related Experiment Video
Updated: May 13, 2026

Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation
Published on: June 17, 2013
The Impact of Transcranial Direct Current Stimulation on Drug-Resistant Temporal Lobe Epilepsy
Omar El-Nakah1, Ann Ali AbdelKader2, Nirmeen A Kishk2
1Medical Physiology Department, Medical Research & Clinical Studies Institute, National Research Centre, Giza, Egypt.
Cathodal transcranial direct current stimulation (c-tDCS) significantly reduced seizure frequency and severity in patients with drug-resistant epilepsy. This neuromodulation technique also decreased epileptiform discharges on EEG for up to one month.
Area of Science:
- Neurology
- Neuroscience
- Medical Devices
Background:
- Drug-resistant epilepsy presents a significant clinical challenge.
- Noninvasive neuromodulation techniques offer potential therapeutic strategies.
- Cathodal transcranial direct current stimulation (c-tDCS) is known to reduce cortical excitability.
Purpose of the Study:
- To evaluate the efficacy of c-tDCS in managing drug-resistant temporal lobe epilepsy.
- To assess the impact of c-tDCS on seizure frequency and severity.
- To investigate changes in electroencephalography (EEG) findings following c-tDCS treatment.
Main Methods:
- A randomized, double-blind, placebo-controlled trial involving 30 patients with drug-resistant temporal lobe epilepsy.
- Participants were assigned to either active c-tDCS or sham sessions over five consecutive days.
- Stimulation was applied over the presumed seizure onset zone or areas of high interictal discharge frequency.
Main Results:
- A statistically significant decrease in seizure frequency was observed in the c-tDCS group.
- The Liverpool Seizure Severity Scale scores improved significantly post-treatment.
- Reductions in epileptiform discharges were noted on EEG recordings one month after the intervention.
Conclusions:
- c-tDCS demonstrates efficacy in improving seizure control for patients with drug-resistant temporal lobe epilepsy.
- The benefits of c-tDCS, including reduced seizure frequency and severity, persisted for up to one month.
- These findings support previous research on the therapeutic potential of c-tDCS in epilepsy management.
More Related Videos
Related Concept Videos
Factors Affecting Drug Response: Overview
Time Course of Drug Effect
Therapeutic Index
Desensitization and Tachyphylaxis
Several...
Drugs Affecting Neurotransmitter Release or Uptake
Drug toxicity: Drug–Drug Interaction

