Not eating out of self-starvation is primarily associated with anorexia nervosa. Anorexia nervosa is an eating disorder characterized by an intense fear of gaining weight and a distorted body image, leading individuals to restrict their food intake severely.
Bulimia refers to a pattern of binge eating followed by compensatory behaviors such as purging.
Binge eating disorder involves consuming large quantities of food in a short period without subsequent purging behaviors.
Malnutrition is a broader term that refers to the condition resulting from inadequate intake of nutrients, which can occur due to various reasons, including eating disorders like anorexia.
So in this context, the correct answer is anorexia nervosa.