Abstract
The aim of the present study was to use an eye-tracking device to investigate attention bias and its mechanism toward high-calorie virtual food in individuals with bulimic tendencies (BT). A total of 76 participants were divided into two groups: a BT group (n = 38) and a control group (n = 38). The eye movements of all participants were continuously measured while the participants were confronted with pairs of high-calorie, low-calorie, and nonfood virtual stimuli (pictures). It was found that the BT group detected high-calorie food more quickly than they did the low-calorie food and nonfood stimuli, but they also avoided the high-calorie food. These results indicate that individuals with BT automatically allocate their attention toward high-calorie food and, subsequently, try to avoid it. Based on these results, we suggest that this approach-avoidance pattern for high-calorie virtual food could be a factor in the development and maintenance of bulimia symptoms by encouraging individuals with BT to be in conflict with the urge to overeat.
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