Local learning rules for learning representations and actions
Wulfram Gerstner a
a Computer and Communication Sciences, École Polytechnique Fédérale de Lausanne (EPFL)
Proceedings of Neuromorphic Materials, Devices, Circuits and Systems (NeuMatDeCaS)
VALÈNCIA, Spain, 2023 January 23rd - 25th
Organizers: Rohit Abraham John, Irem Boybat, Jason Eshraghian and Simone Fabiano
Keynote, Wulfram Gerstner, presentation 019
DOI: https://doi.org/10.29363/nanoge.neumatdecas.2023.019
Publication date: 9th January 2023

The success of Artificial Neural Networks relies on End-to-End training with BackProp, but Biological Neural Networks use local learning rules - and understanding biological rules should also give insight for designing neuromorphic materials and devices. I will review Hebbian two-factor rules as well as their generalization to three-factor rules for action learning [1]. I will then present our recent work on multi-factor learning rules that enabled us to successfully learn representations in networks of up to six layers [2].

The slogan of my biological modeling work is 'No BackProp, Please!' - and we can discuss after the talk whether this should also be slogan for Neuromorphic Materials and Devices.

[2] B. Illing, J. Ventura, G. Bellec, and W. Gerstner (2021)
Local plasticity rules can learn deep representations using self-supervised contrastive predictions
35th Conference on Neural Information Processing Systems (NeurIPS 2021)

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