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Transcranial Direct Current Stimulation in Psychiatric Disorders: A Comprehensive Review
Adriano H Moffa1, Andre R Brunoni2, Stevan Nikolin1
1School of Psychiatry, University of New South Wales, Black Dog Institute, Prince of Wales Hospital, Hospital Road, Randwick, Sydney, New South Wales 2031, Australia.
The Psychiatric Clinics of North America
|August 13, 2018
Summary
Transcranial direct current stimulation (tDCS) shows promise for treating depression. However, more research is needed to confirm its effectiveness for schizophrenia and obsessive-compulsive disorder (OCD) in clinical settings.
Area of Science:
- Psychiatry
- Neuroscience
- Neuromodulation
Background:
- Noninvasive brain stimulation techniques are increasingly explored in psychiatry.
- Transcranial direct current stimulation (tDCS) is a key technique in this field.
- Evidence for tDCS efficacy in psychiatric disorders is under active investigation.
Purpose of the Study:
- To review the current evidence for tDCS as a treatment for major psychiatric disorders.
- To assess the efficacy of tDCS in depression, schizophrenia, and obsessive-compulsive disorder (OCD).
Main Methods:
- Systematic review of existing studies on tDCS for psychiatric conditions.
- Analysis of findings related to treatment-resistant and non-treatment-resistant patient groups.
Main Results:
- tDCS is likely effective for non-treatment-resistant depression.
- Evidence for tDCS in schizophrenia and OCD is currently limited but promising.
- Preliminary data suggests potential therapeutic benefits for these conditions.
Conclusions:
- tDCS demonstrates probable efficacy in specific patient populations, notably non-treatment-resistant depression.
- Further rigorous clinical trials are essential to establish definitive efficacy and safety for schizophrenia and OCD.
- Wider clinical adoption of tDCS in psychiatry requires more robust evidence.
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