2026 Volume 28 Issue 2 Pages 129-138
Approximately 40% of stroke survivors suffer from motor dysfunction. Approximately 30% of stroke patients suffer from aphasia. Hemiplegia is a typical example of a stroke sequela. Aphasia may also occur. In this study, we developed a myoelectric-computer interface (MCI) to support the daily lives and rehabilitation of hemiplegic patients. The MCI communicates the aphasic patient's wishes to a computer by measuring and analyzing myoelectric potentials generated by voluntary movements. The most important feature of the MCI in this study is that the patient can wear, activate, and use it independently. This reflects the needs of the subjects. The subjects in this study were right hemiplegic patients with aphasia. The MCI had three states, and patients were free to operate the MCI. After a one-week training period, a one-week MCI operation experiment was conducted. The MCI operation accuracy was 66.67%. Furthermore, MCI operation accuracy improved over time, and the patients became able to use the MCI freely. From the above, the electromyograph and MCI in this study met the needs of patients and provided a means that could be attached and removed independently.
