The Oxford Handbook of Dialectical Behaviour TherapyDialectical behavior therapy (DBT) is a specific type of cognitive behavioral psychotherapy developed in the late 1980s by psychologist Marsha M. Linehan to help better treat borderline personality disorder. Since its development, it has also been used for the treatment of other kinds of mental health disorders. The Oxford Handbook of DBT charts the development of DBT from its early inception to the current cutting edge state of knowledge about both