Why are we more keen on junk food?
Release date: 2014-10-22
Recently, researchers from McGill University and other places have said through research that when they choose to eat pizza or salad, it is not just the taste of the two, but about our brains; when we browse the menu Or when we read the text on the supermarket shelf, our brains are calculating the calories contained in different foods.
The study, published in the international journal Psychological Science, allows healthy individuals to view images of different foods and then scan the individual's brain, then let the participants select the food they like and estimate the calorie content of the food. The results show that participating individuals are not able to accurately determine the calorie content of their favorite foods, and their desire to choose and buy tends to focus on those high-calorie foods.
Researcher Alain Dagher said early research found that children and adults tend to choose high-calorie foods, but easy-to-obtain and cheap, high-calorie foods are often thought to be the main cause of increased obesity; food consumption is mostly It is determined by the expected effects of food. In this study, the researchers tried to unravel how people's awareness of calories was affected by the areas of the brain that were involved in food evaluation. The researchers found that brain activity is actually tracking real food. Heat.
The decision on calorie and food intake is directly related to the ventral medial anterior cortex in the brain, which encodes the level of stimulation and predicts the immediate consumption of food by the individual. Revealing the mechanisms by which people choose food may help control the factors that cause human obesity, which is directly related to many health problems, such as high blood pressure, heart disease, and type 2 diabetes. Related research is funded by the Canadian Institutes of Health Research.
Source: Bio Valley
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