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Adaptive Behavior
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The Cyber Rodent Project: Exploration of Adaptive Mechanisms for Self-Preservation and Self-Reproduction

Kenji Doya

Initial Research Project, Okinawa Institute of Science and Technology, Japan; ATR Computational Neuroscience Laboratories; CREST, Japan Science and Technology Agency

Eiji Uchibe

Initial Research Project, Okinawa Institute of Science and Technology, Japan

The aim of the Cyber Rodent project is to understand the origins of our reward and affective systems by building artificial agents that share the same intrinsic constraints as natural agents: Self-preserva tion and self-reproduction. A Cyber Rodent is a robot that can search for and recharge from battery packs on the floor and copy its programs to a nearby agent through its infrared communication port. This article reviews our research topics so far, including (1) evolution of neural controllers, (2) learning of foraging and mating behaviors, (3) evolution of learning architectures and meta-parameters, (4) simultaneous learning of multiple agents in a body, and (5) learning and evolution in a self-sustained colony. We discuss our future directions and expected contributions.

Key Words: reinforcement learning • reward function • self-preservation and self-reproduction • learning and evolution

Adaptive Behavior, Vol. 13, No. 2, 149-160 (2005)
DOI: 10.1177/105971230501300206
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 Adaptive BehaviorHome page
J. L. Krichmar
The Neuromodulatory System: A Framework for Survival and Adaptive Behavior in a Challenging World
Adaptive Behavior, December 1, 2008; 16(6): 385 - 399.
[Abstract] [PDF]

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 Adaptive BehaviorHome page
S. Elfwing, E. Uchibe, K. Doya, and H. I. Christensen
Co-evolution of Shaping Rewards and Meta-Parameters in Reinforcement Learning
Adaptive Behavior, December 1, 2008; 16(6): 400 - 412.
[Abstract] [PDF]