[The third wave of cognitive-behavioural psychotherapies: concepts and efficacy].

During the last two decades a number of psychotherapies have been developed which are summarised as the third wave of cognitive behavioural therapies. Among these are dialectical behaviour therapy (DBT), acceptance and commitment therapy (ACT), schema therapy, cognitive behavioural analysis system of psychotherapy (CBASP), mindfulness-based cognitive therapy (MBCT), and metacognitive therapy (MCT). The purpose of this article is to describe the basic concepts of these treatments and to summarise available studies concerning their efficacy. © Georg Thieme Verlag KG Stuttgart · New York.