Journal
BRAIN RESEARCH
Volume 1594, Issue -, Pages 154-164Publisher
ELSEVIER
DOI: 10.1016/j.brainres.2014.10.061
Keywords
LPC; P300; P200; Attention; Motivation; Esthetics; Human body; Evolutionary esthetics
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Funding
- Ministerio de Economia y Competitividad (MINECO), Spain [PSI2010-19619]
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This experiment investigated how the esthetic judgment of human body and face modulates cognitive and affective processes. We hypothesized that judgments on ugliness and beauty would elicit separable event-related brain potentials (ERP) patterns, depending on the esthetic value of body and faces in both genders. In a pretest session, participants evaluated images in a range from very ugly to very beautiful, what generated three sets of beautiful, ugly and neutral faces and bodies. In the recording session, they performed a task consisting in a beautiful-neutral-ugly judgment. Cognitive and affective effects were observed on a differential pattern of ERP components (P200, P300 and LPC). Main findings revealed a P200 amplitude increase to ugly images, probably the result of a negativity bias in attentional processes. A P300 increase was found mostly to beautiful images, particularly to female bodies, consistent with the salience of these stimuli, particularly for stimulus categorization. LPC appeared significantly larger to both ugly and beautiful images, probably reflecting later, decision processes linked to keeping information in working memory. This finding was especially remarkable for ugly male faces. Our findings are discussed on the ground of evolutionary and adaptive value of esthetics in person evaluation. This article is part of a Special Issue entitled Hold Item. (C) 2014 Elsevier B.V. All rights reserved.
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