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Related Experiment Video

Updated: May 18, 2026

Using an EEG-Based Brain-Computer Interface for Virtual Cursor Movement with BCI2000
12:07

Using an EEG-Based Brain-Computer Interface for Virtual Cursor Movement with BCI2000

Published on: July 29, 2009

Real-time two-dimensional asynchronous control of a computer cursor with a single subdural electrode.

César Márquez-Chin1, Milos R Popovic, Egor Sanin

  • 1iDAPT Technology R&D Team, Toronto Rehabilitation Institute University Centre, University Health Network, Toronto, Ontario, Canada. Cesar.Marquez@uhn.ca

The Journal of Spinal Cord Medicine
|October 4, 2012
PubMed
Summary

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This study demonstrates a new brain-machine interface allowing computer cursor control with a single subdural electrode. This novel system enables asynchronous two-dimensional cursor movement, offering potential for enhanced human-computer interaction.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Human-Computer Interaction

Background:

  • Essential tremor (ET) management often involves invasive procedures like subdural electrode implantation.
  • Brain-computer interfaces (BCIs) offer potential for restoring function in individuals with neurological impairments.
  • Current BCIs often require multiple electrodes or complex setups for cursor control.

Purpose of the Study:

  • To assess the feasibility of controlling a computer cursor in two dimensions using a single subdural electrode.
  • To develop and test a novel asynchronous brain-machine interface (BMI).

Main Methods:

  • A proof-of-concept study utilizing electrocorticography (ECoG) signals from a single subdural electrode.
  • Motor imagery of the left hand was used to modulate power in the 7-13 Hz frequency band, activating a 'brain switch'.

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Last Updated: May 18, 2026

Using an EEG-Based Brain-Computer Interface for Virtual Cursor Movement with BCI2000
12:07

Using an EEG-Based Brain-Computer Interface for Virtual Cursor Movement with BCI2000

Published on: July 29, 2009

Surgical Training for the Implantation of Neocortical Microelectrode Arrays Using a Formaldehyde-fixed Human Cadaver Model
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  • The brain switch controlled asynchronous, two-dimensional cursor movement towards randomly selected targets.

    • Main Results:

    • Feasible cursor control was achieved after only 15 minutes of training.
    • Targets were reached in an average of 51.7 seconds with 9.4 switch activations.
    • The system demonstrated an information transfer rate of 0.11 bits/second.

    Conclusions:

    • A novel brain-machine interface enabling asynchronous, two-dimensional cursor control with a single subdural electrode was successfully developed.
    • This technology shows promise for advanced human-computer interaction and assistive technologies.