Efficacy of brain-computer interfaces on upper extremity motor function rehabilitation after stroke: A systematic review and meta-analysis
Summary
This systematic review and meta-analysis evaluated 25 studies of BCI-based upper limb rehabilitation for stroke patients. The analysis found that BCI had a small but significant effect on upper limb function improvement. Notably, training duration less than 12 hours may result in better rehabilitation outcomes, while training greater than 12 hours showed non-significant effects.
Why it matters
This meta-analysis provides the most comprehensive evidence base to date for BCI in stroke rehabilitation, quantifying the magnitude of effect and identifying optimal training parameters. The finding that shorter training durations may be more effective challenges assumptions about dose-response relationships and has important implications for clinical protocol design.
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