Abstract
Estimation of the size and distance of an object is one of the important visual functions for a wide variety of animals. How do animals visually measure distance and size? The size of the retinal image of a given object changes as a function of both distance and its absolute size. Since higher animals can learn the absolute size of many objects in their visual worlds, they can estimate the distance to a particular object by its apparent angular size from knowledge of its absolute size gained by memory. Of course, humans can also estimate an object’s distance by binocular disparity.
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© 2003 Springer-Verlag Tokyo
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Toh, Y., Okamura, JY., Takeda, Y. (2003). Distance and Size Estimation in the Tiger Beetle Larva: Behavioral, Morphological, and Electrophysiological Approaches. In: Kaneko, A. (eds) The Neural Basis of Early Vision. Keio University International Symposia for Life Sciences and Medicine, vol 11. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68447-3_32
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DOI: https://doi.org/10.1007/978-4-431-68447-3_32
Publisher Name: Springer, Tokyo
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