ArticleInternational journal of obesity (2005)2020
Attentional bias and response inhibition in severe obesity with food disinhibition: a study of P300 and N200 event-related potential.
Article in International journal of obesity (2005), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Behavioural biases in the interaction with food objects in virtual reality and its clinical implication for binge eating disorder.Eating and weight disorders : EWD · 2023Trial
- Spatiotemporal profile of altered neural reactivity to food images in obesity: Reward system is altered automatically and predicts efficacy of weight loss intervention.Frontiers in neuroscience · 2023Article
- Gender differences in behavioral inhibitory control under evoked acute stress: An event-related potential study.Frontiers in psychology · 2023Article
- Identification of Food/Nonfood Visual Stimuli from Event-Related Brain Potentials.Applied bionics and biomechanics · 2021Article
- A Pilot Event-Related Potentials Study on Mechanisms Underlying a tDCS-Enhanced Food-Specific Response Inhibition Task for Patients With Binge Eating Disorder.Frontiers in psychology · 2021Article
- Review
- Effect of resistance exercise on attentional bias toward food in overweight female college students: An event-related potential study.International journal of clinical and health psychology : IJCHPArticle
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectiveIn obesity there is growing evidence for common mechanism between food intake regulation and substance use disorders, especially more attentional bias and less cognitive control. In the present study we investigated whether severely obese subjects with or without disordered eating exhibit electroencephalographic (EEG) event-related potential (ERP) modifications as observed in substance abusers. SUBJECTS/
methodsA total of 90 women were included; 30 in the normal-weight (NW) group (18.5 < BMI < 24.5 kg/m
resultsThe mean ± SD P300 amplitudes in Pz were significantly (p < 0.05) lower in ObFD- (12.4 ± 4.6) and ObFD+ (12.5 ± 4.4) groups than in the NW group (15.8 ± 5.9). The mean ± SD N200 amplitude in Cz was significantly lower in the ObFD- group (-2.0 ± 5.4) than in the NW group (-5.2 ± 4.2 vs; p = 0.035). N200 Cz amplitude was correlated with EDI-2 Binge eating risk score (ρ = 0.331; p = 0.01), EDI-2 Body Dissatisfaction score (ρ = 0.351; p = 0.007), and Drive for Thinness score (ρ = 0.26; p = 0.05).
conclusionsThe present study provides evidence for reduction of P300 and N200 amplitude in obese women and that N200 amplitude may be related to more disordered eating and eating disorder risk. This leads to consider attentional bias and response inhibition as core mechanisms in obesity and as possible targets for new therapeutic strategy.
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