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dc.contributor.authorRailton, R.
dc.contributor.authorFoster, T. Mary
dc.contributor.authorTemple, William
dc.identifier.citationRailton, R., Foster, T. M., & Temple, W. (2014). Object/picture recognition in hens. Behavioural Processes, 104, 53-64.en_NZ
dc.description.abstractTwo experiments examined whether hens, Gallus gallus domesticus, would respond to photographs in the same way they do to the real objects depicted in the photographs. Experiment 1 assessed whether hens transferred a discrimination of differently coloured three-dimensional objects to two-dimensional photographs of those objects, and vice versa. All hens learned to discriminate between the stimuli and showed transfer to the alternative stimuli when the colour cues were present. In Experiment 2 transfer with stimuli that differed in shape only was examined. It was found that only three of the six hens learned to discriminate the stimuli to any degree, and that these three hens did not transfer this discrimination to the alternative stimuli. It was also found that previously learning an object discrimination did not aid the hens in learning to discriminate between photographs of the objects. These data suggest that the hens did not respond to the objects depicted in pictures in the same way they did to the real objects. The authors argue it cannot be assumed that all animals respond to two-dimensional pictures of stimuli in the same way as they do to the real three-dimensional stimuli and this should be established before researchers use two-dimensional stimuli as representatives of real world stimuli.en_NZ
dc.relation.ispartofBehavioural Processes
dc.subjectconditional discriminationen_NZ
dc.subjectobject–picture recognitionen_NZ
dc.titleObject/picture recognition in hensen_NZ
dc.typeJournal Articleen_NZ
dc.relation.isPartOfBehavioural Processesen_NZ

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