Abstract
The eating disorders (EDs) anorexia nervosa (AN), bulimia nervosa (BN), and binge eating disorder (BED) are severe psychiatric disorders with high mortality. There are many symptoms, such as food restriction, episodic binge eating, purging, or excessive exercise that are either overlapping or lie on opposite ends of a scale or spectrum across those disorders. Identifying how specific ED behaviors are linked to particular neurobiological mechanisms could help better categorize ED subgroups and develop specific treatments. This review provides support from recent brain imaging research that brain structure and function measures can be linked to disorder-specific biological or behavioral variables, which mayhelp distinguishED subgroups, or find commonalities betweenthem. Brain structure and function may thereforebe suitable research targets to further study the relationship between dimensions of behavior and brain function relevant to EDs and beyond the categorical AN, BN, and BED distinctions.
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