Appetites are strongly affected by the color of the food and it has been found that different colors can affect the brain reflexes that impact the appetite. In this study, event‐related potential was used as a measurement tool to detect brain wave responses to assess foods under different colors of light, and to compare the appetite performance of participants. The food samples were captured under incandescent lights and colored lights (red and green lights under 5200 K). The incandescent lights were divided into the differential color temperature (2700, 4000, 6500 and 7500 K). Seventeen participants were invited to the experiment. The event‐related potential results showed that the warm incandescent light (4000 K) significantly increased appetite. Moreover, the red light enhances the late positive component amplitude and enhances the consumer's visual attraction and impression. The conclusions showed that the color of lighting can affect consumers' emotions, behaviors, psychology, and even appetite, and preliminary scientific evidence has been obtained from event‐related potential.

中文翻译：

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蛋糕时通过使用彩色光来增强食欲：与事件相关的电位的初步证据

食欲受食物颜色的强烈影响，已发现不同的颜色会影响影响食欲的大脑反射。在这项研究中，与事件相关的电位被用作检测脑电波反应的测量工具，以评估不同颜色的光下的食物，并比较参与者的食欲表现。在白炽灯和彩色灯（5200 K下的红色和绿色灯）下捕获食物样品。白炽灯分为色温差（2700、4000、6500和7500 K）。邀请了17名参与者参加实验。与事件相关的潜在结果表明，温暖的白炽灯（4000 K）显着增加了食欲。此外，红光增强了后期的正分量幅度，并增强了消费者的 的视觉吸引力和印象。结论表明，照明的颜色会影响消费者的情绪，行为，心理甚至食欲，并且已经从与事件相关的潜力中获得了初步的科学证据。