Other specified feeding or eating disorder Other specified feeding or eating disorder Other specified feeding or eating disorder (OSFED) is a DSM-5 category that replaces the category formerly called eating disorder not otherwise specified (EDNOS) in "DSM-IV", and that captures feeding disorders and eating disorders of clinical severity that do not meet diagnostic criteria for anorexia nervosa (AN), bulimia nervosa (BN), binge eating disorder (BED), avoidant/restrictive food intake disorder (ARFID), pica, or rumination disorder. OSFED includes five examples: atypical AN, BN (of low frequency and/or limited duration), BED (of low frequency and/or limited duration), purging disorder, and night eating syndrome (NES). The five OSFED examples that
Hunger (motivational state) on the hypothalamus and modify appetite. This explains why in clinical depression and stress, energy intake can change quite drastically. The set-point theories of hunger and eating are a group of theories developed in the 1940s and 1950s that operate under the assumption that hunger is the result of an energy deficit and that eating is a means by which energy resources are returned to their optimal level, or energy set-point. According to this assumption, a person's energy resources are thought to be at or near their set-point soon after eating, and are thought to decline after that. Once the