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Unlocking natural behaviour studies with standard two-photon microscopes

Project description

Bridging advanced neuroscience imaging and natural animal behaviour

Two-photon microscopy is widely used in neuroscience to visualise neural activity at the cellular level. However, its application is largely restricted to immobilised animals, limiting the study of natural behaviours, free movement and social interactions. Recent advances in fibre-based miniaturised systems have begun to address this challenge, enabling high-resolution two-photon imaging in freely moving animals. The ERC-funded NeuroBRIDGE project aims to extend these advances by developing modular, cost-effective upgrades compatible with a wide variety of commercial two-photon microscopes. The project will validate the technology’s performance and demonstrate its effectiveness across different laboratory settings and infrastructures to ensure widespread adoption.

Objective

Two-photon (2P) microscopy is one of the most widely used tools in neuroscience to study neuronal activity with single-cell resolution. Yet, current 2P systems are largely restricted to head-fixed animals, limiting the scope of behavioural studies. To overcome this barrier, we have recently developed a novel fiber-based miniaturized approach that enables high-resolution 2P optical studies in freely moving animals. This proposal aims to transform this innovation into a robust, user-friendly platform that can be easily disseminated, thereby widening access to freely moving 2P experiments.

Our objective is to design and assemble a compact fiber-based module and validate its functionality and potential through proof-of-principle neuroscience experiments in freely moving behavioural paradigms.

In parallel, we will establish an intellectual property strategy and engage with industrial partners to accelerate commercialization. By enabling widespread access to naturalistic behavioral studies, this technology will expand experimental possibilities, allow institutions to upgrade existing equipment at reduced cost, open new product lines for industry, and ultimately advance understanding of brain function and neurological disorders.

Fields of science (EuroSciVoc)

Keywords

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-2025-POC

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Host institution

FUNDACIO INSTITUT DE BIOENGINYERIA DE CATALUNYA
Net EU contribution
€ 150 000,00
Address
CARRER BALDIRI REIXAC PLANTA 2A 10-12
08028 Barcelona
Spain
Region
Este Cataluña Barcelona
Activity type
Research Organisations
Links
Total cost
No data

Beneficiaries (1)