这种虚拟食物会让我感到饥饿吗?虚拟现实中视觉质量和食物类型的影响

IF 3.2 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING Frontiers in virtual reality Pub Date : 2023-08-14 DOI:10.3389/frvir.2023.1221651
Florian Ramousse, Pierre Raimbaud, P. Baert, C. Helfenstein-Didier, A. Gay, C. Massoubre, B. Galusca, G. Lavoué
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引用次数: 0

摘要

引言:虚拟现实(VR)越来越多地探索与食物相关的行为和情绪的研究。虚拟现实技术在食品科学中的应用包括饮食障碍治疗、饮食行为研究和感官分析。这些应用涉及旨在引发食欲、压力和/或情绪的3D食物刺激。然而,所用食物刺激的视觉质量(即真实感)是异质的,并且从未孤立和评估过这一因素对结果的影响。在这种背景下,这项工作旨在研究暴露在虚拟现实环境中的食物刺激的视觉质量如何影响由此产生的进食欲望。方法:将28名无饮食障碍的受试者纳入该方案,他们评估了10种3D食物刺激诱导的进食欲望,每种刺激在7个质量水平上重复(总共70种刺激)。结果:视觉质量影响进食欲望,这种影响取决于食物类型和使用者的饮食习惯。我们发现了视觉质量的两个重要阈值:第一个阈值提供了引发强烈进食欲望所需的最低质量,而第二个阈值则提供了最高值,超过该阈值,提高质量并不能进一步改善进食欲望。讨论:这些结果使我们能够为涉及食物刺激的实验设计提供有用的建议。
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Does this virtual food make me hungry? effects of visual quality and food type in virtual reality
Introduction: Studies into food-related behaviors and emotions are increasingly being explored with Virtual Reality (VR). Applications of VR technologies for food science include eating disorder therapies, eating behavior studies and sensory analyzes. These applications involve 3D food stimuli intended to elicit cravings, stress, and/or emotions. However, the visual quality (i.e., the realism) of used food stimuli is heterogeneous, and this factor’s influence on the results has never been isolated and evaluated. In this context, this work aims to study how the visual quality of food stimuli, exposed in a virtual reality environment, influences the resulting desire to eat.Methods: 28 subjects without eating disorders were included in this protocol, who evaluated the desire to eat induced by 10 3D food stimuli, each duplicated in 7 quality levels (for a total of 70 stimuli).Results: Results show that visual quality influences the desire to eat, and this effect depends on the type of food and users’ eating habits. We found two significant thresholds for visual quality: the first provides the minimal quality necessary to elicit a significant desire to eat, while the second provides the ceiling value above which increasing the quality does not improve further the desire to eat.Discussion: These results allow us to provide useful recommendations for the design of experiments involving food stimuli.
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5.80
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13 weeks
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