Faster when Fed: Satiated Individuals Inhibit (Food) Pictures Better Than Words [post]

Mechteld Maria van den Hoek Ostende, Ulrike Schwarz, Caterina Gawrilow, Barbara Kaup, Jennifer Svaldi
2022 unpublished
In line with dual system models, it is often hypothesized that overeating occurs in tandem with lowered inhibitory control. Although there are some merits to this theory, the way (food) cues are represented, and how they influence inhibitory control, are not yet understood. Here, participants who fasted 12+ hours, or who ate within the previous 2 hours completed a stop-signal task with modal (pictures) and amodal (words) stimuli. In Study 1, there was a significant Group × Modality interaction
more » ... hich indicated that satiated, but not fasted individuals show better inhibitory capacity for modal relative to amodal stimuli. In line with previous theories, we also found evidence for better inhibitory control for satiated compared to fasted individuals, albeit for modal stimuli only. In Study 2, we additionally used non-food stimuli to test whether these effects were food-specific. While we were able to replicate the group by modality interaction, we did not find evidence for food specificity. Furthermore, the inhibitory advantage of satiated individuals compared to fasted individuals was not replicated. In all, we were able to show that metabolic state and stimulus type interact in their effect on inhibitory control in two pre-registered studies. These findings suggest that information of particular modalities is processed in distinct ways, depending on state factors.
doi:10.31219/osf.io/m4feq fatcat:a3ngkutqvzh6fkp3j2fqpaes3q