Brain-Computer Interface-Controlled Exoskeletons in Clinical Neurorehabilitation: Ready or Not?
Annalisa Colucci, Mareike Vermehren, Alessia Cavallo and 6 others
PMID 36426541WHAT IT FOUND
Non-invasive brain-computer interface exoskeletons are technically ready but not yet routine care.
Current systems have limited accuracy and cannot restore daily living tasks. Clinicians should view them as promising tools for severe paralysis, not proven treatments, while awaiting better devices and reimbursement.
Key findings
01Non-invasive BCI systems currently have classification accuracy of 60% to 80%, which is too low for reliable assistive use in daily life but sufficient to trigger operant learning.
02The first FDA-authorized brain-controlled hand exoskeleton cannot perform activities of daily living and is not approved for patients with severe spasticity.
03Adoption is hindered by lack of reimbursement, complex integration into existing therapy plans, and the need for early adopters to drive change.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
This is a narrative review, not a systematic review, so it does not provide a comprehensive or unbiased summary of all evidence. The clinical data cited for the first FDA-approved device is from an open-label, uncontrolled trial and is largely unpublished. The review acknowledges that effect sizes in existing BCI trials are inconsistent and often small. It does not provide specific protocols for how to integrate these technologies into current clinical workflows.
Declared interests
The authors declared no potential conflicts of interest. The work was funded by various government and research grants including the European Research Council and the Federal Ministry of Research and Education.
The easy way to misread this
Do not interpret the FDA authorization of the IpsiHand device as evidence that BCI exoskeletons can restore functional independence in daily life. The review explicitly states this device cannot be used to perform activities of daily living and is not approved for severe spasticity.