What can closed-loop brain stimulation do?
A PRISMA review of 76 studies maps DBS, TMS, tDCS, tACS, and optogenetics closed-loop BCIs aimed at restoring neurological function.
Source
On closed-loop brain stimulation systems for improving the quality of life of patients with neurological disorders
Study at a glance
- Design
- Other — PRISMA systematic review of closed-loop BCI / brain-stimulation studies (not a new trial)
- N
- N=76 · 76 included articles from 319 screened candidates
- Population
- Published primary studies of closed-loop stimulation in humans or animals across neurological/psychiatric indications
- Outcome
- Mapped stimulation modalities (DBS/TMS/tDCS/tACS/optogenetics) and claimed functional improvements
Structured fields used in claim comparison tables when every cited study has a complete layer.
Inspect source passages
What can closed-loop brain stimulation do?
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
76 articles were included from 319 potential studies.
This review included 76 articles out of 319 potential studies.
Stimulation modalities were grouped into five categories including DBS and tACS.
We broadly classified the types of stimulation into five categories: (i) DBS, (ii) TMS, (iii) tDCS, (iv) tACS, and (v) optogenetics.
What they did
Searched databases with a closed-loop BCI + stimulation + disease string, applied inclusion/exclusion criteria, and extracted participant, method, and disease features.
What they found
Literature spans neurodegenerative and psychiatric uses; authors argue closed-loop approaches can restore/rehabilitate function, with modality-specific trade-offs (e.g., optogenetics still preclinical for humans).
The limits
What it doesn't show
Pooled effect sizes or a new head-to-head trial; narrative synthesis of heterogeneous primary studies.
Key terms
- Closed-loop BCI
- Brain–computer interface that senses activity and adapts stimulation in real time.
- DBS
- Deep brain stimulation via implanted electrodes.
- TMS
- Transcranial magnetic stimulation of cortex.
- tDCS / tACS
- Transcranial direct / alternating current stimulation.
- Optogenetics
- Light control of genetically sensitized neurons.
- PRISMA
- Reporting framework for systematic reviews.
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Quiz yourself
Included articles count?
Common questions
How many papers included?
76 of 319.
Five stimulation classes?
DBS, TMS, tDCS, tACS, optogenetics.
Is this a new RCT?
No—systematic review.
Main promise?
Responsive neuromodulation to improve quality of life.
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