Altered Temporal Difference Learning in Bulimia Nervosa
نویسندگان
چکیده
منابع مشابه
Altered temporal difference learning in bulimia nervosa.
BACKGROUND The neurobiology of bulimia nervosa (BN) is poorly understood. Recent animal literature suggests that binge eating is associated with altered brain dopamine (DA) reward function. In this study, we wanted to investigate DA-related brain reward learning in BN. METHODS Ill BN (n = 20, age: mean = 25.2, SD = 5.3 years) and healthy control women (CW) (n = 23, age: mean = 27.2, SD = 6.4 ...
متن کاملAltered striatal response to reward in bulimia nervosa after recovery.
OBJECTIVE It is possible that disturbances of systems modulating reward may contribute to a vulnerability to develop an eating disorder. METHOD This hypothesis was tested by assessing functional magnetic resonance brain imaging response to a monetary reward task known to activate the anterior ventral striatum (AVS), a region implicated in motivational aspects toward stimuli. To avoid the conf...
متن کاملAnorexia Nervosa and Bulimia Nervosa
This chapter describes the major eating disorders encountered during adolescence including anorexia nervosa, bulimia nervosa, and eating disorders not otherwise specified (EDNOS). The latter group accounts for most adolescents seeking treatment for an eating disorder and refers to those patients not meeting full Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) crit...
متن کاملBulimia Nervosa
N Engl J Med 2003;349:875-81. Copyright © 2003 Massachusetts Medical Society. A 20-year-old woman presents with fatigue; laboratory tests reveal a serum potassium level of 2.3 mmol per liter and a serum bicarbonate level of 36 mmol per liter. She is 163 cm (64 in.) tall and weighs 54 kg (119 lb). The findings on physical examination are normal. On questioning, she admits to binge eating and vom...
متن کاملBulimia Nervosa – medical complications
As with anorexia nervosa, there are many medical complications associated with bulimia nervosa. In bulimia nervosa, these complications are a direct result of both the mode and the frequency of purging behaviours. For the purposes of this article, we will review in detail the many complications of the two major modes of purging, namely, self-induced vomiting and laxative abuse; these two accoun...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biological Psychiatry
سال: 2011
ISSN: 0006-3223
DOI: 10.1016/j.biopsych.2011.05.011