Project description
Advanced mathematical tools for analysing learning in the brain
Artificial neural networks (ANNs), powered by AI, are widely used, but biological neural networks (BNNs) found in the brain are inherently more effective. While ANNs represent functions, BNNs represent stochastic processes. The brain has demonstrated faster learning and superior generalisation capabilities. However, further theoretical work is required to fully understand the learning mechanisms in the brain. In this context, the ERC-funded A2B project will develop advanced mathematical tools for analysing learning processes in BNNs. The project's objectives include gaining insights into how the brain learns, improving AI efficiency with reduced training data, and training neuromorphic computer chips to emulate BNNs. The project begins by reinterpreting the local updating process of BNN parameters as a specific and non-standard derivative-free optimisation method.
Objective
Why does the brain outperform AI? Artificial neural networks (ANNs) are at the core of the AI revolution. In the past years, enormous efforts have been made to unravel their mathematical properties, leading to fundamental insights and mathematical guarantees on when and why deep learning works well. ANNs are inspired by biological neural networks (BNNs) but differ in many respects: ANNs represent functions while BNNs represent stochastic processes, and the gradient-based deep learning applied for ANNs is very different from the local updating of BNNs.
BNNs are superior to ANNs in the sense that the brain learns faster and generalizes better. Despite the urgency for answers and the rich and interesting mathematical structures that BNNs create, scarcely any theoretical attempts have been made to understand learning in the brain. The stochastic process structure of BNNs and the need to understand the statistical convergence behavior call for a mathematical statistics approach. This project proposes the development of advanced mathematical tools in nonparametric and high- dimensional statistics to analyze learning in BNNs as a statistical method. The starting point is a novel interpretation of the local updating of BNN parameters as a specific and non-standard, derivative-free optimization method. Whereas derivative-free optimization is thought to be slow, our conjecture is that it leads to favorable statistical properties in the setting underlying BNNs.
If the research is successful, it has the potential to open a new research area in mathematical statistics and provide insights into how the brain learns. It could also lead to recommendations on how to make AI more efficient with less training data and how to train neuromorphic computer chips mimicking BNNs.
Fields of science (EuroSciVoc)
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-ERC - HORIZON ERC Grants
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2023-COG
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
7522 NB Enschede
Netherlands
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