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要旨:
Spatial cognition is a cognitive ability that arose relatively early in animal evolution. It is therefore very well suited for studying the evolution from
stereotyped to cognitive behavior and the general mechanisms underlying cognitive abilities. This paper presents a definition of cognition in terms of the
complexity of behavior it subserves. This approach allows questions about the mechanisms of cognition, just as the mechanisms of simpler behavior have been
addressed in neuroethology. As an example for this mechanistic view of cognitive abilities, the view-graph theory of cognitive maps will be discussed. It will be
argued that spatial cognitive abilities can be explained by scaling up simple, stereotyped mechanisms of spatial behavior. This evolutionary view of cognition is
supported by two types of empirical evidence: robot experiments show that the simple mechanisms are in fact sufficient to produce cognitive behavior, while
behavioral experiments with subjects exploring a computer graphics environment indicate that stereotyped and cognitive mechanisms co-exist in human spatial
behavior.
