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Evolutionary Simulation of Homeostatic Plasticity: Effect of Sensibility to Stimulus Changes

Abstract Homeostatic plasticity is a vital characteristic of life living in dynamic environment. By extending a model of phototactic robot adaptive to visual inversion, we consider a method to adapt to more dynamic situation, multiple visual inversion. Our robot can percept changes of sensory inputs or has short-term memory of the inputs. Despite model differences, robots adaptive to the multiple inversion acquire backward motion and the division of roles of motors into driving force and steer. We discuss the meaning of this policy from the viewpoint of adaptive behavior.