Psychotherapy, as defined by Raymond Corsini, is the formal process of interaction between two parties, each consisting of one or more people, for the purpose of improvement in one of the parties relative to any or all of the following areas of malfunction or disability: Cognitive (disorders ...

The Origins of Cognitive Behavior Therapy Cognitive behavior therapy was devised in the late 1950s and early 1960s by Albert Ellis, Ph.D. in New York and by Aaron Beck, M.D. in Philadelphia. Although they worked independently of each other, both Ellis and Beck had grown dissatisfied with the tradit...