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Atypical Anorexia Nervosa

Atypical anorexia nervosa refers to individuals who have the same behavioral, emotional, and cognitive features as those with prototypical anorexia nervosa (i.e., restricted dietary intake, fear of weight gain, and disturbed body image) but, despite significant weight loss, are not underweight. In the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), this type of presentation was subsumed under the diagnosis of eating disorder not otherwise specified. In the fifth edition, the DSM-5, published in 2013, atypical anorexia nervosa is included as an example of other specified feeding or eating disorder, alongside bulimia nervosa of low frequency and/or limited duration, binge eating disorder of low frequency and/or limited duration, and purging disorder. This entry focuses on the usage of the term ...

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