Related Experiment Video
Updated: Jan 10, 2026
09:16
A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration
Published on: January 22, 2016
15.7K
Deep Brain Stimulation in Treatment-Resistant Psychiatric Disorders: Efficacy, Safety, and Future Directions
Mohsen Khosravi1,2,3
1Department of Psychiatry, School of Medicine, Zahedan University of Medical Sciences, Zahedan 9813913777, Iran.
Brain Sciences
|November 27, 2025
Summary
Deep brain stimulation (DBS) shows promise for treatment-resistant psychiatric disorders, offering significant symptom reduction in conditions like depression and Tourette's syndrome. Careful patient selection and further research are crucial for optimizing this neurosurgical intervention.
Area of Science:
- Neuroscience
- Psychiatry
- Neurosurgery
Background:
- Treatment-resistant psychiatric disorders pose significant clinical challenges.
- Conventional treatments are often ineffective for a substantial patient subset.
- Deep brain stimulation (DBS) is an emerging neurosurgical option for refractory conditions.
Purpose of the Study:
- To review the current evidence on DBS efficacy and safety for various treatment-resistant psychiatric disorders.
- To synthesize findings on practical considerations for DBS application.
- To identify limitations and future research directions.
Main Methods:
- Comprehensive narrative review of existing literature.
- Synthesis of data on efficacy, safety, and outcomes for multiple psychiatric conditions.
- Analysis of study design, targets, stimulation parameters, and adverse events.
Main Results:
- DBS demonstrates clinically meaningful symptom reduction across conditions, with notable response rates in depression (48%) and OCD (35%).
- Over two-thirds of patients with Tourette's syndrome and refractory autism aggression show >50% symptom reduction.
- Preliminary data for other disorders are encouraging but limited; safety is generally acceptable, with most adverse events related to the device or procedure.
Conclusions:
- DBS offers transformative potential for select refractory psychiatric conditions.
- Careful patient selection, monitoring, and standardized research are essential.
- Further rigorous trials are needed to optimize targeting, protocols, and long-term outcomes.
