Abstract
The orientation of an animal moving in a plane towards a point-like mark is investigated. The control exerted by the optomotor (tracking) response on the motion of the animal is interpreted as an external force acting on the animal itself, which is modeled as a dipole or as a single point.
The optomotor response is assumed as a rather general function of distance and angle. Differential equations governing the motion are derived and analyzed qualitatively and numerically. The role of distance-dependence and of the width of the visual field is investigated in detail and related to some typical kinds of paths in the plane, such as hitting the mark, coming close to the mark within a short distance, circular or undulating motion around the mark.
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A first version of this paper has been read at the Oberwolfach Conference on Mathematical Biology, June 1978
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Hadeler, K.P., de Mottoni, P. & Schumacher, K. Dynamic models for animal orientation. J. Math. Biology 10, 307–332 (1980). https://doi.org/10.1007/BF00276092
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DOI: https://doi.org/10.1007/BF00276092