Effect of food stimuli presentation on restrained eater's food choice: An ERP study.

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  • Additional Information
    • Source:
      Publisher: Elsevier Science Country of Publication: United States NLM ID: 0151504 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-507X (Electronic) Linking ISSN: 00319384 NLM ISO Abbreviation: Physiol Behav Subsets: MEDLINE
    • Publication Information:
      Publication: New York NY : Elsevier Science
      Original Publication: Oxford, Eng., Long Island City, Pergamon Press.
    • Subject Terms:
      Evoked Potentials*/physiology ; Electroencephalography* ; Food Preferences*/physiology ; Food Preferences*/psychology ; Choice Behavior*/physiology; Humans ; Young Adult ; Female ; Male ; Cues ; Reaction Time/physiology ; Adolescent ; Feeding Behavior/physiology ; Adult ; Food ; Brain/physiology
    • Abstract:
      Restrained eaters are individuals who consciously follow a limited food intake diet to lose or maintain body weight. With the rising numbers of obesity cases, retrained eating has became more prevalent as more people adopt it to cope with obesity. The dual conflict theory states that restrained eaters often encounter conflicting choices of food pleasure and weight management. The present study investigated the difference in food choice regarding different presentations of the weight management goal. The study hypothesized difference in successful and unsuccessful restrained eaters' food choice when presented with the conflicting food/weight maintenance stimuli. A total of 49 college students participated in the study and the N2, P3 and LPP event-related potentials (ERPs) were investigated during a food choice task. Results showed that the reaction time in unsuccessful restrained eaters (UREs) were greater than successful restrained eaters (SREs). The ERP results showed that SREs exhibited smaller N2 and greater P3 amplitudes than UREs, however, we did not find a difference in LPP amplitudes between the two groups. The findings suggest that the UREs demonstrated greater sensitivity and smaller inhibition to food cues, while we do not have supports for a difference in motivational and emotional salience. This is the first study that investigated the food choice of SREs and UREs when faced with different presentations of conflicting goals, which enriches the theoretical model and provides neural correlates evidence for future studies.
      Competing Interests: Declaration of competing interest None.
      (Copyright © 2024 Elsevier Inc. All rights reserved.)
    • Contributed Indexing:
      Keywords: Food choice; LPP; N2; P3; Restrained eaters
    • Publication Date:
      Date Created: 20241001 Date Completed: 20241116 Latest Revision: 20241116
    • Publication Date:
      20241118
    • Accession Number:
      10.1016/j.physbeh.2024.114704
    • Accession Number:
      39353500