Reviews studies involving noncontingent reinforcement (NCR) for the treatment of challenging behavior such as aggression, self-injury, and extreme tantrums in persons with developmental disabilities. A clinical guide for implementation is delineated. Among the advantages of NCR is ease of implementation. NCR appears particularly relevant for…

This paper introduces seven principles of learning, enduring over the last five centuries of psychological thought, to discuss the evolution of the "Biophyche" (the brain in action) in the development of humans and other large organisms. It describes the conditioning theories of Darwin, Pavlov, and Thorndike and critically reviews the…