Disorders organized by shared similarity

Disorders organized by shared similarity refers to seven (7) DSM Subtitle Chapters organized into classes of Disorders by "shared similarity" of symptoms. It is also referred to as Shared Phenomenology of features and include the following: 1. Somatoform Disorders 2. Factitious Disoreder 3. Dissociative Disorders 4. Sexual and Gender Identity Disorders 5. Eating Disorders 6. Sleep Disorders 7. Impulse Control Disorders