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Stretchable micro-Organic Electrochemical Transistors Circuits for Neural Interfacing

Project description

Soft neural probes development

The peripheral nervous system (PNS) is a complex network of nerves that transmits information from the brain and spinal cord to various parts of the body, including muscles, organs and sensory receptors and vice versa. PNS is implicated in various medical conditions, from chronic pain to depression and epilepsy. Funded by the Marie Skłodowska-Curie Actions programme, the uOECT project aims to develop highly advanced soft neural probes for precise interfacing with the PNS to manage these conditions. To overcome technological limitations associated with existing solutions, the project will develop miniaturised, ultra-soft probes that can record neural activity with high spatial resolution. Moreover, these probes will be implantable with minimal tissue damage and immune reactivity.

Objective

This project is aimed at developing active soft neural probes for high-resolution, high-density interfacing of the peripheral nervous system (PNS). The availability of high-resolution PNS interfaces is key to the treatment and management of a number of common medical conditions such as neuropathic and chronic pain, paralysis, major depression, and epilepsy. Two major challenges that hinder progress in this area are: i) Mechanical mismatch between the neural tissue and the conventionally used neural probe materials (e.g. metal wires). ii) The electrode density and spreading is limited by the use of passive linear probes. This project seeks to address both these issues by developing miniaturized inert, ultra-soft (E<50kPa) multi-headed probes, which can be actuated in situ to record from a large volume of the neural tissue with high spatial resolution. This is combined with integration of multiple active neural transducer elements and integrated amplification circuitry for high signal fidelity and integrated multiplexing circuitry for addressing, into each probe arm. This approach simultaneously increases spatial resolution and signal fidelity of neural interfacing, while enabling chronic implantability due to decreased chronic immune response and scarring through the inert and mechanically compliant nature of the probes, as well as minimized tissue damage during implantation.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

LINKOPINGS UNIVERSITET
Net EU contribution
€ 222 727,68
Address
CAMPUS VALLA
581 83 Linkoping
Sweden
Region
Östra Sverige Östra Mellansverige Östergötlands län
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data