Background-matching patterns are attractive: support for a processing bias
Abstract
Background-matching visual patterns are selected to minimize detection by predators. However, once detected, what effects do these patterns have on conspecific perception? In humans, considerable evidence supports a ‘processing bias’, by which people prefer images that match the spatial statistics of natural scenes, likely because the brain has evolved, or develops, to process such scenes efficiently. A direct but untested prediction of this bias is that people should prefer background-matching patterns compared to similar patterns that mismatch the spatial statistics of their surroundings. We conducted an online experiment to test this prediction on over 1700 participants. Our results show that a preference for the most frequent value of Fourier slope (a measure of spatial structure) observed in natural scenes can be modulated by an additional preference for background matching. Because the initial stages of perception that underlie the efficient processing of visual scenes are widely conserved among animals, especially vertebrates, we expect this preference for background-matching patterns to be shared by other organisms. Two overlooked potential implications are that some animals may choose display sites with spatial statistics matching their own phenotype, and that the evolution of visual signals will, variously, be constrained or facilitated by such preferences for background-matching patterns.
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BibTeX
@article{hejjabrichard2026backgroundmatching,
title = {{Background-matching patterns are attractive: support for a processing bias}},
author = {Yseult Héjja-Brichard and Michel Raymond and Innes C Cuthill and Tamra C Mendelson and Julien P Renoult},
journal = {Animal Behaviour},
year = {2026},
month = aug,
doi = {10.1016/j.anbehav.2026.123700},
url = {https://hal.science/hal-05858461v1},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Background-matching patterns are attractive: support for a processing bias
AU - Yseult Héjja-Brichard
AU - Michel Raymond
AU - Innes C Cuthill
AU - Tamra C Mendelson
AU - Julien P Renoult
PY - 2026
DA - 2026/08/26
JO - Animal Behaviour
DO - 10.1016/j.anbehav.2026.123700
UR - https://hal.science/hal-05858461v1
AB - Background-matching visual patterns are selected to minimize detection by predators. However, once detected, what effects do these patterns have on conspecific perception? In humans, considerable evidence supports a ‘processing bias’, by which people prefer images that match the spatial statistics of natural scenes, likely because the brain has evolved, or develops, to process such scenes efficiently. A direct but untested prediction of this bias is that people should prefer background-matching patterns compared to similar patterns that mismatch the spatial statistics of their surroundings. We conducted an online experiment to test this prediction on over 1700 participants. Our results show that a preference for the most frequent value of Fourier slope (a measure of spatial structure) observed in natural scenes can be modulated by an additional preference for background matching. Because the initial stages of perception that underlie the efficient processing of visual scenes are widely conserved among animals, especially vertebrates, we expect this preference for background-matching patterns to be shared by other organisms. Two overlooked potential implications are that some animals may choose display sites with spatial statistics matching their own phenotype, and that the evolution of visual signals will, variously, be constrained or facilitated by such preferences for background-matching patterns.
SN - 0003-3472
SN - 1095-8282
ER -