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[Methods of cerebral stimulation in psychiatry]
Océane Dufrenne1, Charles Laidi1
1Service de psychiatrie adulte, DMU IMPACT, CHU Henri-Mondor, AP-HP, Créteil, France.
La Revue Du Praticien
|January 23, 2026
Summary
Brain stimulation offers a targeted psychiatric treatment approach for severe or treatment-resistant disorders, mitigating systemic side effects common with traditional therapies. Techniques like electroconvulsive therapy and repetitive transcranial magnetic stimulation are explored.
Area of Science:
- Psychiatry
- Neuroscience
- Neuromodulation
Background:
- Psychiatric disorders are common, affecting 15% of general medical visits.
- Severe and treatment-resistant disorders significantly impair daily functioning and resist conventional treatments.
- Pharmacological therapies have systemic actions, potentially causing adverse metabolic or neurological effects.
Purpose of the Study:
- To introduce brain stimulation as a novel therapeutic strategy in psychiatry.
- To highlight the focal action of brain stimulation in mitigating systemic side effects.
- To review various brain stimulation techniques utilized in clinical practice and research.
Main Methods:
- Electroconvulsive therapy (ECT) used in routine clinical practice.
- Repetitive transcranial magnetic stimulation (rTMS) explored in research.
- Transcranial direct-current stimulation (tDCS), deep brain stimulation (DBS), and vagus nerve stimulation (VNS) also mentioned as research-field techniques.
Main Results:
- Brain stimulation techniques offer a focal therapeutic approach.
- These methods aim to reduce systemic adverse effects associated with pharmacological treatments.
- Multiple brain stimulation modalities are available for psychiatric treatment, varying by clinical or research application.
Conclusions:
- Brain stimulation represents a promising alternative for psychiatric disorders, particularly when conventional treatments fail.
- The focal nature of brain stimulation allows for targeted intervention, minimizing widespread side effects.
- Ongoing research and clinical application of techniques like ECT, rTMS, tDCS, DBS, and VNS are expanding treatment options.
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