Stice's team had a group of adolescent girls imagine eating appetizing foods while viewing pictures of these foods. (scientificamerican.com)
Using fMRI, his team scanned the brains of adolescent girls with differing BMIs while they viewed pictures of appetizing foods and imagined eating what they saw. (scientificamerican.com)
Also, eating less appetizing foods obviously works for weight loss because it cuts down on consumption (whether those foods are low - carb or whole food plant based). (nutritionfacts.org)