This Plain Language Summary of Publication article (PLSP) from Expert Review of Neurotherapeutics, analysed published research on how vagus nerve stimulation (VNS) works in epilepsy patients. VNS is a surgical treatment for drug-resistant epilepsy that has been used since the 1990s, though its exact mechanism remains unclear. The research suggests VNS may prevent seizures by increasing neurotransmitter release, which helps reduce the excessive electrical brain activity that occurs during seizures.

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This PLSP is based on an article called ‘Latest Views on the Mechanisms of Action of Surgically Implanted Cervical Vagal Nerve Stimulation in Epilepsy’ and was published in Neuromodulation.

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