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One of the most striking natural activities of the jay bird (even in captivity) is its hiding and retrieving of food. Since the bird is practically without a sense of smell, this achievement is especially remarkable because an object once hidden is thenceforth quite outside the bird's perceptual field. Only memory can be relied upon to rediscover a hiding place. But how does the bird recognize the critical place where food has been cached and how does it distinguish the particular objects which hide its prize from other similar objects in the vicinity? We can attack this problem only by presenting simple test situations resembling the bird's normal, biological conditions. It should then be possible to infer how the bird's perceptions are actually organized. The most practical test is for the experimenter himself to "hide" a bit of food (with the bird looking on) and then observe how it is found. If the bird is capable of doing this, we know already that the search was guided solely by vision and memory functions--not by some literal mechanical repetition of a process which he himself had performed at an earlier time. (The complete version of this article appeared as "Wahrnehmungspsychologische Untersuchungen am Eichelhäher," I., Zeitschrift für wissenschafdiche Biologie, Abt. c., Zeitschr, f. vergl. Physiol., 1928, 7, 144-194. (PsycInfo Database Record (c) 2023 APA, all rights reserved)
Published: Aug 13, 2007
Keywords: jay bird; figural perception; Gestalt psychology
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