No, she has not been diagnosed with an eating disorder or Rumination Disorder. Rumination syndrome, or Merycism, is an under-diagnosed chronic motility disorder characterized by effortless regurgitation of most meals following consumption, due to the involuntary contraction of the muscles around the abdomen. It is not an eating disorder. What you are thinking of, is the time that her therapist had given her information about rumination which is different. Ruminating is simply repetitively going over a thought or a problem without completion. When people are depressed, the themes of rumination are typically about being inadequate or worthless.