When people imagined themselves eating M & M’s or pieces of cheese, they became less likely to gorge themselves on the real thing.
you get habituated to a food as you eat it.
habituation to food can occur simply by thinking about eating
These experiments are pretty damn cool - the idea is that if you imagine yourself eating certain foods, then all of a sudden you don’t want to eat them anymore, and in that way you can steer yourself away from unhealthy foods. Whole article is good. The psychology of it is a bit mind blowing - never thought about appetite this way.