publication . Other literature type . Article . 2000

Visual perception of biological motion in newly hatched chicks as revealed by an imprinting procedure

Giorgio Vallortigara; Lucia Regolin; Luca Tommasi;
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  • Published: 09 May 2000
  • Publisher: Springer Science and Business Media LLC
Abstract
Day-old chicks were exposed to point-light animation sequences depicting either a walking hen or a rotating cylinder. On a subsequent free-choice test (experiment 1) the chicks approached the novel stimulus, irrespective of this being the hen or the cylinder. In order to obtain equivalent local motion vectors, in experiments 2 and 3 newly hatched chicks were exposed either to a point-light animation sequence depicting a walking hen, or to a positionally scrambled walking hen (i.e. an animation in which exactly the same set of dots in motion as that employed for the walking hen was presented, but with spatially randomized starting positions). Chicks tested on day...
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free text keywords: Experimental and Cognitive Psychology, Ecology, Evolution, Behavior and Systematics, Biological motion, Computer vision, Imprinting (psychology), Motion perception, Animation, Visual discrimination, Psychology, Visual perception, Artificial intelligence, business.industry, business, Communication, Stimulus (physiology), Perception, media_common.quotation_subject, media_common
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