The researchers introduce and explore several fascinating concepts regarding how we perceive food:
: This refers to the natural evolutionary desire to look at food. Historically, this helped humans find energy-dense resources; today, it is triggered by digital screens. appetisingness
: The mere sight of "appetising" food images can trigger a release of the hormone ghrelin , which increases hunger and prepares the body for metabolism—even if you aren't physically hungry. this helped humans find energy-dense resources
: The paper discusses whether viewing images of food can eventually "satiate" us or if it simply keeps us in a constant state of craving. appetisingness