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AI driven data compression for high-bandwidth brain neural sensing interfaces

Objective

Next-generation intracortical brain-computer interfaces (iBCIs) and large-scale neuroscience experiments require simultaneous recording from thousands of neurons at high spatial and temporal resolutions. However, current wireless systems are fundamentally limited by a bandwidth–energy bottleneck: extracellular spike recordings generate extremely large data streams, while implantable and head-mounted devices operate under strict power constraints. As a result, existing telemetry cannot scale to high-channel-count recordings without compromising battery life and signal fidelity. This limitation restricts the precision of neural decoding and prevents BCIs and freely moving animal studies from reaching their full potential.
AIM-HIGH will overcome this barrier by translating the Send-On-Delta Autoencoder (SODA) technology, developed in the ERC IoN, into a scalable wireless neural telemetry system. SODA achieves >80× low-loss compression with <8 µV RMS distortion, preserving spike fidelity while drastically reducing data bandwidth and energy consumption. In AIM-HIGH, we will translate the SODA technology into a demonstrator, integrating the SODA ASIC with real-time decompression software in a lightweight headstage compatible with Neuropixels probes. The system will be validated in freely moving animal models to demonstrate reliable neural telemetry under realistic conditions. These experiments will assess robustness to biological variability, including movement artefacts and electrode drift, and benchmark the system against state-of-the-art wireless headstage technologies.
In parallel, the project will engage electrophysiology equipment manufacturers, neuroscience laboratories, and emerging neurotechnology companies to validate product–market fit and refine system specifications. By enabling high‑density, high‑fidelity neural telemetry, AIM‑HIGH has the potential to unlock new neuroscience experiments and accelerate the development of next‑generation BCI technology.

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Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC-POC - HORIZON ERC Proof of Concept Grants

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Call for proposal

(opens in new window) ERC-2026-POC

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Host institution

STICHTING IMEC NEDERLAND
Net EU contribution
€ 145 000,00
Address
HIGH TECH CAMPUS 31
5656 AE Eindhoven
Netherlands
Region
Zuid-Nederland Noord-Brabant Zuidoost-Noord-Brabant
Activity type
Research Organisations
Links
Total cost
No data

Beneficiaries (2)