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Abstract:
A quantitative analysis of the visually induced behavior of flies is an essential prerequisite for an understanding of the basic functional principles underlying transduction and processing of optical information by the nervous system. For this reason, the orientation behavior of flying flies towards elementary patterns has been investigated to a great extent during recent years.
At a first level of the analysis, we have developed a quantitative phenomenological description of the fly's pattern-induced orientation behavior. This approach characterizes the basic logical organization of the visual control and processing system used by the fly. From the phenomenological theory, a rather complex behavior, including orientation towards and tracking of complex patterns, as well as spontaneous pattern discrimination, can be quantitatively predicted.
