WisconsinCardSortIn Psychology Today, Dr Kathleen Kara Fitzpatrick, a specialist in eating disorders, used the Wisconsin card sorting task to evaluate and begin treatment for patients with anorexia.

The task is an inductive matching game where the rules change in the middle and the players have to figure out the new rules through trial and error. Anorexic patients have a harder time changing their play patterns, even when it is no longer working.