Devin was convinced that people were following him. He started hearing voices, and would stare out the window for hours without moving. He eventually dropped out of school and lost his job because of the paranoia. Devin most likely has ________.
Schizophrenia is a disorder that can affect a person's ability to think, feel, emotions, and behavior. In this case, schizophrenia is affecting Devin's thoughts and behavior.