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Related Experiment Video

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Control of Eating Behavior Using a Novel Feedback System
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The relationship between top-down attentional control and changes in weight.

Sarah Hotham1, Dinkar Sharma1

  • 1Centre for Health Services Studies, University of Kent, CT2 7NF, United Kingdom.

Eating Behaviors
|May 26, 2015
PubMed
Summary

Reduced top-down attentional control is linked to weight changes. Individuals with weaker attentional control, whether losing or gaining weight, showed deficits, while those with stable control maintained stable weight.

Keywords:
Attentional controlDietingFood cuesStroopWeight change

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Area of Science:

  • Cognitive Psychology
  • Behavioral Neuroscience
  • Obesity Research

Background:

  • Attentional control is crucial for regulating behavior, including eating habits.
  • The influence of food cues on attentional processes and subsequent weight management remains an area of active investigation.

Purpose of the Study:

  • To examine the association between top-down attentional control, particularly around food cues, and weight fluctuations over three months.
  • To determine if deficits in attentional control predict weight change.

Main Methods:

  • A modified Stroop task with high-fat food and neutral images was administered to 60 participants.
  • Top-down attentional control was measured using adaptation effects.
  • Weight was assessed at baseline (T1) and after three months (T2), categorizing participants into weight gain, loss, or stable groups.

Main Results:

  • Significant differences in top-down attentional control were found across weight change groups.
  • Participants experiencing weight change (gain or loss) exhibited reduced top-down attentional control.
  • Individuals maintaining stable weight demonstrated consistent top-down attentional control.

Conclusions:

  • Impaired top-down attentional control is associated with weight changes, irrespective of whether weight is lost or gained.
  • These findings suggest attentional control plays a role in regulating eating behavior and weight.
  • The observed reduction in attentional control was general, not specific to food-related cues.