Energy efficient learning in neural networks
Wednesday, May 7, 2025
15:00 UTC
Mark van Rossum
University of Nottingham
Recording
Open recording
Hosted by van Vreeswijk Theoretical Neuroscience Seminar
Abstract
The brain is one of the most energy intense organs. Some of this energyis used for neural information processing, however, fruitfly experiments have shown that also learning is metabolically costly. We will present estimates of this cost and introduce a general model of this cost, and compare it to costs in computers. Next, we turn to a supervised artificial network setting and explore a number of strategies that cansave energy need for plasticity. Either by modifying the objective function, by restricting plasticity, or by using less costly transient forms of plasticity. Finally, we will discuss adaptive strategies and possible relevance for biological learning. Presented in the van Vreeswijk Theoretical Neuroscience Seminar series (formerly WWTNS) on 2025-05-07. Recording duration: 00:34:58.
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