In our introductory chapter we expressed the hope that, by modeling a natural system, we could make contributions to the fields of both brain theory and robotics. Specifically, we wished to contribute to the understanding of the depth perception process in frogs and toads and, at the same time, to suggest depth algorithms that would be useful in the design of robotic systems. But our initial hope must be tempered by the fact that the disciplines under consideration are both in early and exploratory stages. Except under highly constrained conditions, robots do not yet make successful use of sensory feedback to control their actions. Similarly, attempts to relate animal behavior to underlying neurophysiology and neuroanatomy entail the making of assumptions that are often untestable using current methods. It is clear that, at this stage of development, a study such as ours can make only preliminary claims.
KeywordsDepth Perception Binocular Disparity Retinal Position Accommodation Process Prey Selector
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