sentences:  Such extended chains occur through forms, foci, and layers of experience.By extended chains, it is meant that experiences of problematic integration and efforts to resolve problematic integration may lead to development of a new form of PI.As conflict between probability and value develops around a focal point (or topic), it can lead to conflict regarding a new topic (e.g., stress and anxiety about earning an end-of-year bonus at work can lead to new worries about personal finances, sense of self-worth, and/or one's status and career prospects at work).