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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/41499

Title: OLAF, the Open Library of Affective Foods in ADULTS
Authors: Miccoli, Laura
Delgado-Rodríguez, Rafael F.
Guerra, Pedro
Versace, Francesco
Rodríguez-Ruiz, Sonia
Fernández-Santaella Santiago, María del Carmen
Issue Date: 1-Jun-2016
Abstract: Recently, several sets of standardized food pictures have been created, supplying both food images and their subjective evaluations. However, to date only the OLAF (Open Library of Affective Foods), a set of food images and ratings we developed in adolescents, has the specific purpose of studying emotions toward food. Moreover, some researchers have argued that food evaluations are not valid across individuals and groups, unless feelings toward food cues are compared with feelings toward intense experiences unrelated to food, that serve as benchmarks. Therefore the OLAF presented here, comprising a set of original food images and a group of standardized highly emotional pictures, is intended to provide valid between-group judgments in adults. Emotional images (erotica, mutilations, and neutrals from the International Affective Picture System/IAPS) additionally ensure that the affective ratings are consistent with emotion research. The OLAF depicts high-calorie sweet and savory foods and low-calorie fruits and vegetables, portraying foods within natural scenes matching the IAPS features. An adult sample evaluated both food and affective pictures in terms of pleasure, arousal, dominance, and food craving, following standardized affective rating procedures. The affective ratings for the emotional pictures corroborated previous findings, thus confirming the reliability of evaluations for the food images. Among the OLAF images, high-calorie sweet and savory foods elicited the greatest pleasure, although they elicited, as expected, less arousal than erotica. The observed patterns were consistent with research on emotions and confirmed the reliability of OLAF evaluations. The OLAF and affective pictures constitute a sound methodology to investigate emotions toward food within a wider motivational framework.
Sponsorship: Hum-388 Research Group/Grupo de Investigación "Psicofisiología Humana y Salud"
Keywords: Food pictures
Imágenes de alimentos
IAPS (International Affective Picture System)
OLAF (Open Library of Affective Foods)
URI: http://hdl.handle.net/10481/41499
Rights : Creative Commons Attribution 3.0 License
Appears in Collections:Información complementaria de las Investigaciones (Datos en Bruto)

Files in This Item:

File Description SizeFormat
A_OLAF2016_adults_TechReport.pdfOLAF Instructions & Ratings / Instrucciones y evaluaciones del OLAF944.17 kBAdobe PDFView/Open
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veg_0725.jpgFood picture/imagen de alimentos835.67 kBJPEGView/Open
vegofood.jpgFood picture/imagen de alimentos4.03 MBJPEGView/Open
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