The only constant is change: Stable vs. variable aspects of food approach bias relate differently to food craving and intake
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View abstract on PubMed
Summary
This summary is machine-generated.Food approach bias fluctuates daily and is linked to craving and intake, but this connection is influenced by stable individual traits like dietary goals and impulsivity, not just daily changes.
Area Of Science
- Cognitive psychology
- Behavioral science
- Neuroscience
Background
- Approach bias, the tendency to move towards food, is linked to food intake but its relationship with eating behavior is debated.
- It is unclear if approach bias is a stable trait or a fluctuating state, impacting its predictive power for dietary habits.
Purpose Of The Study
- To investigate temporal fluctuations in food approach bias.
- To examine the within-participant association between approach bias, food craving, and intake.
- To determine the role of top-down control in the link between approach bias and food intake.
Main Methods
- 76 participants completed daily assessments of craving, intake, and dietary intentions for personalized foods over nine days.
- A smartphone-based approach-avoidance task measured food approach bias daily.
- Impulsivity was assessed via questionnaire.
Main Results
- Food approach bias showed significant within-individual variability.
- Approach bias correlated with craving and intake, but in complex ways.
- The association between approach bias and intake was moderated by stable individual differences in dietary intentions and impulsivity, not daily fluctuations.
Conclusions
- Approach bias should be viewed as having both state (fluctuating) and trait (stable) components.
- Trait-like aspects of top-down control influence the relationship between approach bias and food intake.
- The high day-to-day variability in approach bias may explain why single measures often fail to predict long-term outcomes like body weight, suggesting interventions may need to target specific times or individuals.
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