Food Emotional Perception and Eating Willingness Under Different Lighting Colors: A Preliminary Study Based on Consumer Facial Expression Analysis

The influence of lighting color on food is a multidimensional process, linking visual in- terventions with people’s perception of food appearance, physiological responses, and psychological associations. This study, as a preliminary exploratory research, aims to initially investigate the effects of different lighting colors on food-induced consumer ap- petite and emotional perception. By measuring consumers’ physiological facial expression data, we verify whether the results are consistent...