This document discusses self-concept and its development. It defines self-concept as an individual's thoughts and beliefs about themselves, and notes it has cognitive, behavioral, and affective aspects. The development of self-concept occurs across the lifespan as individuals internalize feedback and social roles. Factors like health, experiences, and culture can influence self-perception. The nursing process can be used to assess and support patients with altered self-concepts through strengthening coping skills and maintaining dignity.