Conditioning is one of the core methods of psychiatry. It is a behavioral method, with a stimulus-response constellation. The stimulus itself can be measured, changed, and combined, and the responses can be measured qualitatively and quantitatively. Conditioning uses the conditional reflex phenomenon. During the conditioning procedure, responses to certain stimuli are acquired where no responses existed previously. Over time behavioral conditioning expanded to include neurophysiological aspects and has been correlated with psychic manifestations. This comprehensive work deals with the...