This document discusses disorders of self-experience and awareness. It defines self as how a person views themselves and their identity. There are four main aspects of self-awareness: awareness of existence, self-unity, continuity of identity, and boundaries. Disorders are discussed under each of these categories. For example, depersonalization is a disturbance in awareness of one's own activity where a person feels detached from themselves. Schizophrenia can involve feelings that one's thoughts are being controlled or stolen, disturbing boundaries. The document examines various conditions that can impact self-experience like depression, anxiety, substance use, and neurological disorders.