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Computer control using human intracortical local field potentials
Philip R Kennedy1, M Todd Kirby, Melody M Moore
1Neural Signals, Inc., Atlanta, GA 30340, USA.
Summary
Brain signals control assistive devices. Researchers used local field potentials from implanted electrodes to operate a virtual keyboard and a simulated hand digit, aiding individuals with assistive technology needs.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Assistive Technology
Background:
- Developing effective assistive technologies is crucial for individuals with disabilities.
- Brain-computer interfaces offer a promising avenue for restoring function.
Purpose of the Study:
- To investigate the use of human cortical control signals for operating assistive devices.
- To assess the efficacy of a neuro-prosthetic system for assistive technology applications.
Main Methods:
- Recorded local field potentials via implanted neurotrophic electrodes.
- Developed a wireless transmission system for cortical signals.
- Utilized computer software to translate signals into virtual keyboard and cyber digit control.
Main Results:
- Demonstrated the feasibility of using cortical signals to operate a virtual keyboard.
- Showcased the potential for controlling a computer-simulated digit with brain activity.
- Reported on the progress of two subjects in effectively using these neuro-prosthetic devices.
Conclusions:
- Human cortical control signals can effectively operate assistive technology tools.
- This neuro-prosthetic system shows promise for meeting diverse assistive technology needs.
- Further development could enhance functional restoration for individuals with motor impairments.