Connecting self-report and instrumental behavior during incubation of food craving in humans

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Figure 1.
Figure 1.

(A) Listing phase. Participants were asked to list 10 of their favorite foods and 10 neutral foods, i.e., food items they neither liked nor disliked. They were instructed to be specific, including brand names, locations to attain the food, or the person who made the food. (B) Pre-ratings. Participants rated each item on a scale from 0 to 100, indicating how much they craved the item, how much they liked the item, and the last time they consumed the item. (C) Button press task. Participants were told they may be given the opportunity to describe an experience with each food item in a later phase of the experiment. They were instructed to press the spacebar to indicate how much they desired to see that item in the later description phase, and that more spacebar presses indicated an increased desire to describe the item. (D) Description and post-ratings. Participants were asked to write at least five sentences describing what it was like to eat each food item. Immediately following their description, they rated that item for craving, liking, and time since last consumption.

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