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Training to use a commercial brain-computer interface as access technology: a case study
Sarvnaz Taherian1, Dmitry Selitskiy2, James Pau2,3
1a Department of Psychology , University of Auckland , Auckland , New Zealand .
Disability and Rehabilitation. Assistive Technology
|October 2, 2014
Summary
This study trained an individual with cerebral palsy to use an electroencephalography (EEG) brain-computer interface (BCI). Customized training improved control, enabling communication via a BCI system.
Area of Science:
- Neuroscience
- Rehabilitation Engineering
Background:
- Spastic quadriplegic cerebral palsy presents significant communication and mobility challenges.
- Brain-computer interfaces (BCIs) offer potential assistive technology solutions.
Observation:
- A commercial electroencephalography (EEG)-based BCI was utilized for training.
- A customized game paradigm focused on motor imagery feedback was employed over four weeks.
- Participant engagement was influenced by motivation, fatigue, and concentration.
Findings:
- The individual demonstrated improved EEG pattern production.
- Post-training, BCI control was maintained for six weeks.
- The participant successfully used the BCI to type a sentence with an augmentative and alternative communication (AAC) application.
Implications:
- Tailored, engaging training environments are crucial for BCI adherence.
- User-specific factors like mood and fatigue impact BCI usability.
- Commercial BCIs may serve as accessible technology for individuals with severe disabilities.
