KDI: A wireless ECoG recording platform with impedance spectroscopy, electrical stimulation and real-time, lossless...

Area of Science:

• Biomedical Engineering
• Neuroscience
• Implantable Devices

Background:

• Existing wireless platforms for neural recording implants require enhanced functionality for advanced applications.
• Prototyping and pre-clinical evaluation necessitate modular and adaptable systems.

Purpose of the Study:

• To design and evaluate new functional modules for the wireless Kit for Designing Implants (KDI) platform.
• To integrate electrical stimulation, impedance spectroscopy, and data compression into the KDI system.
• To advance the development of next-generation neural implants.

Main Methods:

• Development of modular components for electrical stimulation, impedance spectroscopy, and ECoG signal compression.
• Implementation of a real-time lossless data compression algorithm on two distinct hardware platforms.
• Performance comparison of the implemented hardware solutions for data compression.

Main Results:

• Successful design and integration of new modules for the wireless KDI platform.
• Demonstration of electrical stimulation for BCI neurofeedback and impedance spectroscopy for tissue monitoring.
• Evaluation of a real-time lossless data compression algorithm for ECoG signals, with comparative hardware performance.

Conclusions:

• The new modules significantly expand the capabilities of the wireless KDI platform.
• These advancements represent a critical step towards incorporating sophisticated functionalities into future neural implants.
• The developed technologies support the progression of WIMAGINE(®) implants.