Related Experiment Video
Updated: Feb 2, 2026
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Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
Published on: October 20, 2021
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Neurophysiological Evaluation of a Customizable μECoG-based Wireless Brain Implant.
Summary
This study validates a wireless micro-electrocorticography (μECoG) device built from off-the-shelf components. The neural interface successfully recorded brain activity and performed electrical stimulation in an ovine model.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Neurotechnology
Background:
- Limited availability of implantable neural interfaces for research.
- Previous work demonstrated wireless systems from COTS components.
- Need for accessible and functional neural recording/stimulation devices.
Purpose of the Study:
- To verify the viability of a micro-electrocorticographic (μECoG) device constructed using COTS components.
- To evaluate the device's capability for both neural recording and stimulation.
- To assess its potential as a research tool in neuroscientific applications.
Main Methods:
- Development of a wireless μECoG device using COTS.
- In vivo testing in an ovine animal model.
- Evaluation using acoustic stimuli for recording and cortical electrical stimulation for stimulation functionality.
Main Results:
- Reliable recording of auditory evoked responses in both time and frequency domains.
- Demonstrated functionality of cortical electrical stimulation.
- Successful recording of neuronal activity.
Conclusions:
- The COTS-derived μECoG device is viable for neuroscientific research.
- The device demonstrates competitive performance compared to existing implantable systems.
- This approach offers a practical solution for creating accessible neural interfaces.
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