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Brain responds differently to food rewards in bulimia nervosa

(University of California - San Diego) Researchers at University of California San Diego School of Medicine have discovered differences in how the brain responds to food rewards in individuals with a history of bulimia nervosa (BN), an eating disorder characterized by frequent episodes of binge eating followed by efforts of purging to avoid weight gain. The findings further define specific brain mechanisms involved in eating disorders and could help lead to new treatment therapies.
Source: EurekAlert! - Social and Behavioral Science - Category: International Medicine & Public Health Source Type: news

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AbstractRecent FindingsEating disorders (ED) affect energy intake modifying body fat depots. Prior evidence suggests that binge eating disorder (BED) and bulimia nervosa (BN) could increase the risk for type 2 diabetes (T2D), while anorexia nervosa (AN) could reduce it.Purpose of ReviewA systematic review and meta-analysis were conducted to evaluate if ED are risk factors for T2D.SummaryTen studies were selected out of 1057 screened. Meta-analysis of six studies with T2D as outcome is reported. Among cross-sectional studies, both BED (OR 3.69, 95% CI [1.12 –12.12]) and BN (OR 3.45 [1.92–6.1]) increased the risk...
Source: Current Diabetes Reports - Category: Endocrinology Source Type: research
ConclusionThe results indicate that patients with eating disorders show a specific interpersonal profile, and suggest that particular types of interpersonal problems are associated with treatment outcome.
Source: Journal of Eating Disorders - Category: Eating Disorders & Weight Management Source Type: research
I have worked with hundreds of women who struggle with disordered eating and poor body image. Some clients obsessively track calories or Weight Watcher’s points. Some try to restrict their food intake all day then order large quantities of food to binge on at night. Some purge after meals or excessively exercise. Others restrict entire food groups. Some have tried every fad diet. Some say mean things to themselves when they look in the mirror, in hopes that this will motivate change. Some have found a community — in Weight Watchers or Overeaters Anonymous — to hold them accountable or to reinforce their g...
Source: World of Psychology - Category: Psychiatry & Psychology Authors: Tags: Anorexia Binge Eating Bulimia Eating Disorders Habits Health-related Psychotherapy Self-Esteem Stigma Binge Eating Disorder Bingeing Body Image Disconnection Isolation Shame Source Type: blogs
This study examined whether cortical thickness (CT) values scaled with severity of BN cognitions in 33 women with variable BN pathology. We then assessed global structural connectivity (SC) of CT to determine if individual differences in global SC relate to BN symptom severity.
Source: Psychiatry Research: Neuroimaging - Category: Psychiatry Authors: Source Type: research
Binge eating is often something we have done at one time or another. Perhaps at a celebration or a birthday, we have continued to eat just for the taste or because it feels good. Binge Eating Disorder is different. The signs of Binge Eating Disorder include: Feeling uncomfortably full while continuing to eat Eating a lot of food quickly despite lack of hunger Feeling out of control Shame surrounding food If you eat more than others during the same situation or meal time and have binged at least once a week for three months, you may have Binge Eating Disorder. Binge Eating Disorder is the most common eating disorder in th...
Source: World of Psychology - Category: Psychiatry & Psychology Authors: Tags: Addiction Binge Eating Eating Disorders Health-related Bingeing Food Addiction Obesity overeating Source Type: blogs
Conclusions Together, these results indicate that the presence and persistence of binge eating and purging behaviors were poor prognostic indicators and that comorbidity with depression is particularly pernicious in AN. Treatment providers might pay particular attention to these issues in an effort to positively influence recovery over the long-term.
Source: Journal of Psychiatric Research - Category: Psychiatry Source Type: research
Abstract Emotion regulation appears to play a key role in eating disorders. However, prior attempts to associate specific emotion regulation abilities with specific types of eating disorders resulted in inconsistent findings. Moreover, far less is known about emotion regulation in eating disorders during adolescence, a critical period of emotional development. The current study addresses this gap, comparing emotion regulation characteristics between adolescents with restrictive types of eating disorders and those with binge eating or purging types of eating disorders. Ninety-eight adolescents with eating disorders...
Source: Journal of Abnormal Child Psychology - Category: Psychiatry & Psychology Authors: Tags: J Abnorm Child Psychol Source Type: research
Abstract Inefficient food‐specific inhibitory control is a potential mechanism that underlies binge eating in bulimia nervosa and binge eating disorder. Go/no‐go training tools have been developed to increase inhibitory control over eating impulses. Using a within‐subjects design, this study examined whether one session of food‐specific go/no‐go training, versus general inhibitory control training, modifies eating behaviour. The primary outcome measure was food consumption on a taste test following each training session. Women with bulimia nervosa and binge eating disorder had small non‐significant reductions i...
Source: European Eating Disorders Review - Category: Eating Disorders & Weight Management Authors: Tags: Research Article Source Type: research
Abstract Emotion regulation (ER) difficulties are observed in eating disorders (EDs). However, few studies have explored ER before and after treatment. The aims are as follows: to explore ER difficulties across ED types and a healthy control (HC) group (Study 1) and to assess pretreatment and post‐treatment changes among ED types (Study 2). In Study 1, adult women with EDs (n = 438) and HC (n = 126) completed an assessment including Eating Disorders Inventory‐2, Difficulties in Emotion Regulation Scale and Symptom Checklist‐90‐Revised. Patients in Study 2 (n = 69) were also...
Source: European Eating Disorders Review - Category: Eating Disorders & Weight Management Authors: Tags: Research Article Source Type: research
CONCLUSION: Cost-effectiveness studies in eating disorder appear to be increasing in number over the last 6 years. Findings were inconsistent and no firm conclusion can be drawn with regard to comparative value-for-money conclusions. However, some promising interventions were identified. Further research with improved methodology is required. PMID: 29113456 [PubMed - as supplied by publisher]
Source: The Australian and New Zealand Journal of Psychiatry - Category: Psychiatry Authors: Tags: Aust N Z J Psychiatry Source Type: research
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