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dc.contributor.authorRe, Daniel E.
dc.contributor.authorWhitehead, Ross D.
dc.contributor.authorXiao, Dengke
dc.contributor.authorPerrett, David I.
dc.identifier.citationRe , D E , Whitehead , R D , Xiao , D & Perrett , D I 2011 , ' Oxygenated-blood colour change thresholds for perceived facial redness, health, and attractiveness ' , PLoS ONE , vol. 6 , no. 3 , e17859 , pp. - .
dc.identifier.otherPURE: 38620952
dc.identifier.otherPURE UUID: 5820e288-acda-4020-a679-50df22d301b3
dc.identifier.otherWOS: 000288810500018
dc.identifier.otherScopus: 79952953293
dc.identifier.otherORCID: /0000-0002-6025-0939/work/64360905
dc.description.abstractBlood oxygenation level is associated with cardiovascular fitness, and raising oxygenated blood colouration in human faces increases perceived health. The current study used a two-alternative forced choice (2AFC) psychophysics design to quantify the oxygenated blood colour (redness) change threshold required to affect perception of facial colour, health and attractiveness. Detection thresholds for colour judgments were lower than those for health and attractiveness, which did not differ. The results suggest redness preferences do not reflect a sensory bias, rather preferences may be based on accurate indications of health status. Furthermore, results suggest perceived health and attractiveness may be perceptually equivalent when they are assessed based on facial redness. Appearance-based motivation for lifestyle change can be effective; thus future studies could assess the degree to which cardiovascular fitness increases face redness and could quantify changes in aerobic exercise needed to increase facial attractiveness.
dc.relation.ispartofPLoS ONEen
dc.rights© 2011 Re et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.subjectBF Psychologyen
dc.titleOxygenated-blood colour change thresholds for perceived facial redness, health, and attractivenessen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews.Institute of Behavioural and Neural Sciencesen
dc.contributor.institutionUniversity of St Andrews.Centre for Social Learning & Cognitive Evolutionen
dc.description.statusPeer revieweden

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