# MI-032: Effects of brain-computer interface based training on post-stroke upper-limb rehabilitation: a meta-analysis

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## Paper Access

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* DOI / official page: [10.1186/s12984-025-01588-x](https://doi.org/10.1186/s12984-025-01588-x)
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## MI-032: Effects of brain-computer interface based training on post-stroke upper-limb rehabilitation: a meta-analysis

## Metadata

* ID: MI-032
* Title: Effects of brain-computer interface based training on post-stroke upper-limb rehabilitation: a meta-analysis
* Year: 2025
* DOI / URL: 10.1186/s12984-025-01588-x
* Local PDF: see Paper Access section above
* Text artifact: local-only path withheld from docs site
* Review status: `extracted`

## Study Type

* Track: BCI rehabilitation
* Task: meta-analysis of BCI-based training for post-stroke upper-limb rehabilitation
* Participants or dataset: 21 randomized controlled trials, 886 patients
* Device/electrode setup: BCI-based training interventions across trials, including BCI-FES, BCI-robot, and visual-feedback variants
* Protocol/task: upper-limb motor rehabilitation after stroke

## Methods

* Signal processing or analysis: meta-analysis of randomized controlled trials
* Outcomes: FMA-UE, ARAT, and related clinical measures
* Training/calibration: intervention protocols varied by session length, frequency, and duration

## Key Results

* BCI-based training significantly improved FMA-UE with MD = 3.69, 95% CI 2.41-4.96, P \< 0.00001.
* It also improved ARAT with MD = 2.04, 95% CI 0.25-3.82, P = 0.03.
* The abstract states BCI-based training may be reliable for improving upper-limb motor impairment after stroke.

## Limitations

* Clinical rehabilitation evidence is not equivalent to SAH-BRI-Grasp object-selection evidence.
* Heterogeneity across BCI interventions must be examined before claiming product efficacy.
* The paper is recent; quality and publication details should be checked before central claims.

## Relevance To Current Review

* Supports a possible rehabilitation product direction.
* Should be kept separate from the first engineering paper unless the project conducts rehabilitation experiments.

## Evidence Status

| Claim | Status | Evidence Note |
| --- | --- | --- |
| Recent RCT meta-analysis evidence supports some post-stroke upper-limb BCI training benefits. | verified | Abstract reports 21 RCTs, 886 patients, and significant FMA-UE/ARAT effects. |
| BCI rehabilitation claims need clinical trial boundaries. | inferred | The review concerns clinical interventions, not the current prototype. |
| SAH-BRI-Grasp can claim therapeutic efficacy now. | needs confirmation | No local clinical data exists. |

## Open Questions

* Should rehab be a separate paper/product route rather than part of the SAH-BRI-Grasp core paper?
* Which intervention type, BCI-robot versus BCI-FES, is closest to the current system concept?