: 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.
The researchers introduce and explore several fascinating concepts regarding how we perceive food: appetisingness
: The paper discusses whether viewing images of food can eventually "satiate" us or if it simply keeps us in a constant state of craving. : The mere sight of "appetising" food images
: Other research supporting these ideas found that viewing "good-looking" food increases blood flow to the left-frontal pole of the brain, a region associated with emotional and cognitive processing of feeding behavior. Pictures of food create feelings of hunger appetisingness