3.8 Proceedings Paper

Adaptive Inhibition for Optimal Energy Consumption by Animals, Robots and Neurocomputers

期刊

FROM ANIMALS TO ANIMATS 16
卷 13499, 期 -, 页码 103-114

出版社

SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-031-16770-6_9

关键词

Adaptive inhibition; Energy consumption; Robots

资金

  1. Wallenberg AI, Autonomous Systems and Software Program -Humanities and Society (WASP-HS) - Marianne and Marcus Wallenberg Foundation
  2. Marcus and Amalia Wallenberg Foundation

向作者/读者索取更多资源

In contrast to artificial systems, animals must forage for food and the availability of energy in biology is often precarious and highly variable. Energy is at the core of all biological processes, including cognition. However, the issue of energy has been overlooked in computational neuroscience and artificial intelligence. Studies show that many processes in the brain are aimed at maintaining stability. Energy conservation is argued to be an important goal of central inhibitory mechanisms.
In contrast to artificial systems, animals must forage for food. In biology, the availability of energy is typically both precarious and highly variable. Most importantly, the very structure of organisms is dependent on the continuous metabolism of nutrients into ATP, and its use in maintaining homeostasis. This means that energy is at the centre of all biological processes, including cognition. So far, in computational neuroscience and artificial intelligence, this issue has been overlooked. In simulations of cognitive processes, whether at the neural level, or the level of larger brain systems, the constant and ample supply of energy is implicitly assumed. However, studies from the biological sciences indicate that much of the brain's processes are in place to maintain allostasis, both of the brain itself and of the organism as a whole. This also relates to the fact that different neural populations have different energy needs. Many artificial systems, including robots and laptop computers, have circuitry in place to measure energy consumption. However, this information is rarely used in controlling the details of cognitive processing to minimize energy consumption. In this work, we make use of some of this circuitry and explicitly connect it to the processing requirements of different cognitive subsystems and show first how a cognitive model can learn the relation between cognitive 'effort', the quality of the computations and energy consumption, and second how an adaptive inhibitory mechanism can learn to only use the amount of energy minimally needed for a particular task. We argue that energy conservation is an important goal of central inhibitory mechanisms, in addition to its role in attentional and behavioral selection.

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