Gestalt therapy
The theoretical foundations of Gestalt therapy essentially rests atop four "load-bearing walls": phenomenological method, dialogical relationship, field-theoretical strategies, and experimental freedom. Although all these tenets were present in the early formulation and practice of Gestalt therapy, as described in "Ego, Hunger and Aggression" (Perls, 1947) and in "Gestalt Therapy, Excitement and Growth in the Human Personality" (Perls, Hefferline, &amp; Goodman, 1951), the early development of Gestalt therapy theory emphasized personal experience and the experiential episodes understood as "safe emergencies" or experiments. Indeed, half of the Perls, Hefferline, and Goodman book consists of such experiments. Later, through the influence of such people as Erving and Miriam Polster, a second theoretical emphasis emerged: namely, contact between self and other, and ultimately the dialogical relationship between therapist and client. Later still, field theory emerged as an emphasis. At various times over the decades, since Gestalt therapy first emerged, one or more of these tenets and the associated constructs that go with them have captured the imagination of those who have continued developing the contemporary theory of Gestalt therapy. Since 1990 the literature focused upon Gestalt therapy has flourished, including the development of several professional Gestalt journals. Along the way, Gestalt therapy theory has also been applied in Organizational Development and coaching work. And, more recently, Gestalt methods have been combined with meditation practices into a unified program of human development called Gestalt Practice, which is used by some practitioners.