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Clinical usefulness of brain-computer interface-controlled functional electrical stimulation for improving brain
1Graduate School of Physical Therapy, Sahmyook University, Republic of Korea.
Insights
Brain-computer interface (BCI)-based functional electrical stimulation (FES) training significantly improved brain activity in children with cerebral palsy (CP). This BCI-FES approach shows promise for enhancing neural function in CP patients.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Biomedical Engineering
Background:
- Spastic cerebral palsy (CP) affects motor function.
- Brain-computer interfaces (BCIs) offer novel therapeutic avenues.
- Functional electrical stimulation (FES) aids motor rehabilitation.
Purpose of the Study:
- To evaluate the impact of BCI-FES training on brain activity in children with spastic CP.
- To compare BCI-FES with traditional FES in CP rehabilitation.
Main Methods:
- Randomized controlled trial with 18 children with CP.
- BCI-FES group: 6 weeks of wrist/hand extension training with BCI-FES.
- Control group: 6 weeks of FES training.
- Electroencephalography (EEG) measured sensorimotor rhythms (SMR) and middle beta waves (M-beta) at Fp1 and Fp2.
Main Results:
- BCI-FES group showed significant improvements in SMR and M-beta at Fp1 and Fp2.
- Control group exhibited significant improvements only in SMR and M-beta at Fp2.
- BCI-FES demonstrated broader effects on brain activity.
Conclusions:
- BCI-controlled FES training effectively enhances brain activity in children with CP.
- This approach may be a valuable alternative to traditional FES.
- BCI-FES holds potential for improving neural function in CP.
Abstract:
[Purpose] Evaluating the effect of brain-computer interface (BCI)-based functional electrical stimulation (FES) training on brain activity in children with spastic cerebral palsy (CP) was the aim of this study. [Subjects and Methods] Subjects were randomized into a BCI-FES group (n=9) and a functional electrical stimulation (FES) control group (n=9). Subjects in the BCI-FES group received wrist and hand extension training with FES for 30 minutes per day, 5 times per week for 6 weeks under the BCI-based program. The FES group received wrist and hand extension training with FES for the same amount of time. Sensorimotor rhythms (SMR) and middle beta waves (M-beta) were measured in frontopolar regions 1 and 2 (Fp1, Fp2) to determine the effects of BCI-FES training. [Results] Significant improvements in the SMR and M-beta of Fp1 and Fp2 were seen in the BCI-FES group. In contrast, significant improvement was only seen in the SMR and M-beta of Fp2 in the control group. [Conclusion] The results of the present study suggest that BCI-controlled FES training may be helpful in improving brain activity in patients with cerebral palsy and may be applied as effectively as traditional FES training.
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