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delay discounting anorexia nervosa

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https://www.readbyqxmd.com/read/28345215/temporal-discounting-and-the-tendency-to-delay-gratification-across-the-eating-disorder-spectrum
#1
Savani Bartholdy, Samantha Rennalls, Hollie Danby, Claire Jacques, Iain C Campbell, Ulrike Schmidt, Owen G O'Daly
Bulimia nervosa (BN) and binge eating disorder (BED) have been associated with poorer reward-related inhibitory control, reflected by a reduced tendency to delay gratification. The opposite has been reported in anorexia nervosa (AN), but differences have not been directly compared across eating disorders (EDs). This study investigated self-reported (Delaying Gratification Inventory) and task-based (temporal discounting) inhibitory control in 66 women with an ED and 28 healthy controls (HCs). Poorer task-based inhibitory control was observed in the BN compared with the AN group and poorer self-reported inhibitory control in the BN and in the BED groups compared with the AN and the HC groups, suggesting that reward-related inhibitory control varies across EDs...
September 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28009473/temporal-discounting-across-three-psychiatric-disorders-anorexia-nervosa-obsessive-compulsive-disorder-and-social-anxiety-disorder
#2
Joanna E Steinglass, Karolina M Lempert, Tse-Hwei Choo, Marcia B Kimeldorf, Melanie Wall, B Timothy Walsh, Abby J Fyer, Franklin R Schneier, H Blair Simpson
BACKGROUND: Temporal discounting refers to the tendency for rewards to lose value as the expected delay to receipt increases. Individuals with anorexia nervosa (AN) have been found to show reduced temporal discounting rates, indicating a greater preference for delayed rewards compared to healthy peers. Obsessive-compulsive disorder (OCD) and social anxiety disorder (SAD) commonly co-occur with AN, and anxiety has been related to development and prognosis of AN. We examined whether reduced temporal discounting is present across these potentially related disorders, and explored the relationship between temporal discounting and anxiety transdiagnostically...
May 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/27806865/altered-neural-efficiency-of-decision-making-during-temporal-reward-discounting-in-anorexia-nervosa
#3
Joseph A King, Daniel Geisler, Fabio Bernardoni, Franziska Ritschel, Ilka Böhm, Maria Seidel, Eva Mennigen, Stephan Ripke, Michael N Smolka, Veit Roessner, Stefan Ehrlich
OBJECTIVE: The ability of individuals with anorexia nervosa (AN) to resist hunger and restrict caloric intake is often believed to reflect an unusual amount of self-control. However, the underlying neural substrate is poorly understood, especially in adolescent patients. METHOD: Functional magnetic resonance imaging was used during an intertemporal choice task to probe the hemodynamic correlates of a common measurement of self-control-delayed (monetary) reward discounting-in a sample of acutely ill, predominately adolescent female patients with AN (n = 31) and age-matched healthy controls (n = 31)...
November 2016: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/27301653/increased-temporal-discounting-in-bulimia-nervosa
#4
Maria Kekic, Savani Bartholdy, Jiumu Cheng, Jessica McClelland, Elena Boysen, Peter Musiat, Owen G O'Daly, Iain C Campbell, Ulrike Schmidt
OBJECTIVE: There is evidence that people with eating disorders display altered intertemporal choice behavior (the degree of preference for immediate rewards over delayed rewards). Compared to healthy controls (HC), individuals with anorexia nervosa and binge-eating disorder show decreased and increased rates of temporal discounting (TD; the devaluation of delayed rewards), respectively. This is the first study to investigate TD in people with bulimia nervosa (BN). METHOD: Thirty-nine individuals with BN (2 men) and 53 HC (9 men) completed a hypothetical monetary TD task...
December 2016: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/25579471/temporal-delay-discounting-in-acutely-ill-and-weight-recovered-patients-with-anorexia-nervosa
#5
F Ritschel, J A King, D Geisler, L Flohr, F Neidel, I Boehm, M Seidel, J Zwipp, S Ripke, M N Smolka, V Roessner, S Ehrlich
BACKGROUND: Patients with anorexia nervosa (AN) are characterized by a very low body weight but readily give up immediate rewards (food) for long-term goals (slim figure), which might indicate an unusual level of self-control. This everyday clinical observation may be quantifiable in the framework of the anticipation-discounting dilemma. METHOD: Using a cross-sectional design, this study compared the capacity to delay reward in 34 patients suffering from acute AN (acAN), 33 weight-recovered AN patients (recAN) and 54 healthy controls...
April 2015: Psychological Medicine
https://www.readbyqxmd.com/read/25481622/hunger-does-not-motivate-reward-in-women-remitted-from-anorexia-nervosa
#6
Christina E Wierenga, Amanda Bischoff-Grethe, A James Melrose, Zoe Irvine, Laura Torres, Ursula F Bailer, Alan Simmons, Julie L Fudge, Samuel M McClure, Alice Ely, Walter H Kaye
BACKGROUND: Hunger enhances sensitivity to reward, yet individuals with anorexia nervosa (AN) are not motivated to eat when starved. This study investigated brain response to rewards during hunger and satiated states to examine whether diminished response to reward could underlie food restriction in AN. METHODS: Using a delay discounting monetary decision task known to discriminate brain regions contributing to processing of immediate rewards and cognitive control important for decision making regarding future rewards, we compared 23 women remitted from AN (RAN group; to reduce the confounding effects of starvation) with 17 healthy comparison women (CW group)...
April 1, 2015: Biological Psychiatry
https://www.readbyqxmd.com/read/25148580/improved-planning-abilities-in-binge-eating
#7
RANDOMIZED CONTROLLED TRIAL
Rémi Neveu, Dorine Neveu, Franck Barsumian, Elsa Fouragnan, Edouard Carrier, Massimo Lai, Jocelyne Sultan, Alain Nicolas, Giorgio Coricelli
OBJECTIVE: The role of planning in binge eating episodes is unknown. We investigated the characteristics of planning associated with food cues in binging patients. We studied planning based on backward reasoning, reasoning that determines a sequence of actions back to front from the final outcome. METHOD: A cross-sectional study was conducted with 20 healthy participants, 20 bulimia nervosa (BN), 22 restrictive (ANR) and 23 binging anorexia nervosa (ANB), without any concomitant impulsive disorder...
2014: PloS One
https://www.readbyqxmd.com/read/22591835/increased-capacity-to-delay-reward-in-anorexia-nervosa
#8
Joanna E Steinglass, Bernd Figner, Staci Berkowitz, H Blair Simpson, Elke U Weber, B Timothy Walsh
Individuals with anorexia nervosa (AN) are often characterized as possessing excessive self-control and are unusual in their ability to reduce or avoid the consumption of palatable foods. This behavior promotes potentially life-threatening weight loss and suggests disturbances in reward processing. We studied whether individuals with AN showed evidence of increased self-control by examining the tendency to delay receipt of a monetary, non-food related, reward. Underweight AN (n = 36) and healthy controls (HC, n = 28) completed a monetary intertemporal choice task measuring delay discounting factor...
July 2012: Journal of the International Neuropsychological Society: JINS
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