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Proceedings of the Royal Society B Biological Sciences
Article . 2013 . Peer-reviewed
License: Royal Society Data Sharing and Accessibility
Data sources: Crossref
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Camouflage, detection and identification of moving targets

Authors: Hall, Joanna R; Cuthill, Innes C; Baddeley, Roland J; Shohet, Adam J; Scott-Samuel, Nicholas E;

Camouflage, detection and identification of moving targets

Abstract

Nearly all research on camouflage has investigated its effectiveness for concealing stationary objects. However, animals have to move, and patterns that only work when the subject is static will heavily constrain behaviour. We investigated the effects of different camouflages on the three stages of predation—detection, identification and capture—in a computer-based task with humans. An initial experiment tested seven camouflage strategies on static stimuli. In line with previous literature, background-matching and disruptive patterns were found to be most successful. Experiment 2 showed that if stimuli move, an isolated moving object on a stationary background cannot avoid detection or capture regardless of the type of camouflage. Experiment 3 used an identification task and showed that while camouflage is unable to slow detection or capture, camouflaged targets are harder to identify than uncamouflaged targets when similar background objects are present. The specific details of the camouflage patterns have little impact on this effect. If one has to move, camouflage cannot impede detection; but if one is surrounded by similar targets (e.g. other animals in a herd, or moving background distractors), then camouflage can slow identification. Despite previous assumptions, motion does not entirely ‘break’ camouflage.

Country
United Kingdom
Related Organizations
Keywords

Male, 570, Food Chain, 330, Motion Perception, /dk/atira/pure/core/keywords/cognitive_science, /dk/atira/pure/core/keywords/visual_perception, Predatory Behavior, name=Cognitive Science, Visual Perception, Animals, Humans, Female, name=Visual Perception, Photic Stimulation

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
116
Top 1%
Top 10%
Top 10%
bronze