Related Experiment Video
Updated: May 26, 2026
08:30
Subdural Soft Electrocorticography (ECoG) Array Implantation and Long-Term Cortical Recording in Minipigs
Published on: March 31, 2023
A micro-electrocorticography platform and deployment strategies for chronic BCI applications
Sanitta Thongpang1, Thomas J Richner, Sarah K Brodnick
1Department of Engineering, University of Wisconsin, Madison, 53706, USA.
Clinical EEG and Neuroscience
|January 3, 2012
Summary
Researchers developed a new micro-electrocorticography (micro-ECoG) array platform for brain monitoring. This flexible device enables precise recording of brain activity for brain-computer interfaces and epilepsy monitoring.
Area of Science:
- Neuroscience
- Biomedical Engineering
Background:
- Electrocorticography (ECoG) is widely used in clinical and experimental settings.
- Recent advancements focus on micro-ECoG arrays with smaller contacts for sub-millimeter scale brain activity recording.
Purpose of the Study:
- To present an extensible 3D-platform of thin-film flexible micro-scale ECoG arrays.
- To develop devices suitable for Brain-Computer Interface (BCI) applications and epilepsy monitoring.
Main Methods:
- Designed flexible film electrodes for minimal brain pressure and radial subcranial deployment.
- Tested deployment techniques in non-human primates.
- Recorded stimulus-evoked and spontaneous epileptic brain activity.
Main Results:
- Demonstrated successful deployment of micro-ECoG arrays in non-human primates.
- Successfully recorded both evoked and spontaneous brain activity.
- Validated the platform's potential for BCI and epilepsy monitoring.
Conclusions:
- The developed micro-ECoG electrode platform is suitable for BCI and epilepsy monitoring.
- Further testing will prepare the platform for initial human trials.
- This technology advances high-resolution brain activity recording.
