Trance conditioning is based on the concept of neuroplasticity, which refers to the brain's ability to reorganize itself in response to new experiences. By inducing a state of trance, practitioners can access and reprogram the subject's subconscious mind, leading to profound changes in behavior and perception. The process of trance conditioning involves the use of guided imagery, progressive relaxation, and suggestion to induce a state of deep relaxation and heightened suggestibility.