Eating disorder not otherwise specified characterized by either of the other established disorders. People with EDNOS have similar symptoms and behaviors to those with anorexia and bulimia, and can face the same dangerous risks. EDNOS is the most prevalent eating disorder; about 60% of adults treated for eating disorders are diagnosed with EDNOS. EDNOS occurs in both sexes. Rather than providing specific diagnostic criteria for EDNOS, the fourth revision of the "Diagnostic and Statistical Manual of Mental Disorders" (DSM-IV) listed six non-exhaustive example presentations, including individuals who: Despite its subclinical status in DSM-IV, available data suggest that EDNOS is no less severe than the officially
Hunger (motivational state) person's energy levels fall below a certain threshold, the sensation of hunger is experienced, which is the body's way of motivating the person to eat again. The set-point assumption is a negative feedback mechanism. Two popular set-point theories include the glucostatic set-point theory and the lipostatic set-point theory. The set-point theories of hunger and eating present a number of weaknesses. The positive-incentive perspective is an umbrella term for a set of theories presented as an alternative to the set-point theories of hunger and eating. The central assertion to the positive-incentive perspective is the idea that humans and other animals are