title: Effect of BMI and binge eating on food reward and energy intake: further evidence for a binge eating subtype of obesity.
abstract: BACKGROUND
  The psychological characteristics of binge eating have been proposed as a phenotype to further understanding of overconsumption and susceptibility to obesity. This study examined the influence of trait binge eating in lean and overweight or obese women on appetite, food reward and energy intake.
  
  
  METHODS
  25 lean and 25 overweight or obese women were categorised as either 'binge type' or 'non-binge type' based on their scores on the Binge Eating Scale. Food reward and food intake were assessed in fasted and fed conditions.
  
  
  RESULTS
  Overweight or obese binge types (O-B) consumed more energy than overweight or obese non-binge types (O-NB) and lean binge (L-B) and non-binge types (L-NB). Both L-B and O-B exhibited greater preference for sweet foods. In O-NB, L-B and L-NB, lower liking and wanting for sweet foods was exhibited in the fed condition compared to the fasted condition. However, in O-B wanting for sweet foods was greater when they were fed compared to when they were in a fasted state.
  
  
  CONCLUSIONS
  These findings provide further support for trait binge eating as a hedonic subtype of obesity. Binge types were characterised by greater intake of high-fat sweet foods and increased wanting for these foods when satiated. Additionally, these findings highlight the potential for separation in liking and wanting for food as a marker of susceptibility to overeat.
authors: Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds, UK. m.dalton06@leeds.ac.uk
authors: Michelle
authors: M
authors: Dalton
authors: John
authors: J
authors: Blundell
authors: Graham
authors: G
authors: Finlayson
mesh_terms: D000293:Adolescent; D000328:Adult; D001066:Appetite; D015992:Body Mass Index; D002032:Bulimia / Q000523:psychology*; D004032:Diet; D019422:Dietary Sucrose; D002149:Energy Intake; D005215:Fasting; D005247:Feeding Behavior / Q000523:psychology*; D005260:Female; D006801:Humans; D009765:Obesity / Q000145:classification / Q000150:complications / Q000523:psychology*; D050177:Overweight; D010641:Phenotype; D057181:Pleasure; D012016:Reference Values; D012201:Reward; D012528:Satiety Response; D055815:Young Adult
chemical_list: D019422:Dietary Sucrose
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