For those who are dieting, avoid looking at the pictures that provoke appetite.
The team of researchers from the Max Planck Institute said that an interesting visualization meal will stimulate the hormone ghrelin, a protein in blood that controls hunger.
These findings suggest that the consumption of food craving is not only influenced the physiological mechanisms of energy needs, but also environmental factors. External stimuli like smell or the visualization of food also affects the hunger and desire to eat one's behavior.
The emergence of food product advertising or culinary program with detailed pictures of food in magazines or even television allegedly contributed to the rate of weight gain in the community.
The research team involves several healthy men as respondents. Besides investigating the molecular processes related to the control of food intake, they also analyzed the physiological reaction of respondents when confronted with pictures of delicious food and non-food material images.
As a result, there is a difference in the blood concentrations of hormones, such as ghrelin, leptin, and insulin, which play a role in the control of food intake. Grehlin concentration in the blood increased significantly in response to visual stimulation of food images.
"Our brains process visual stimuli, and unwittingly triggers the physical processes that control our perception of appetite. Mechanisms can encourage us to eat a piece of cheese cake though already full," said Petra Schussler, one researcher, told the Times of India.
Schussler recommends those who are undergoing slimming program or who have weight problems to avoid seeing the pictures that provoke appetite.
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