 [ Symptoms ] what are the symptoms of schizophrenia [ Disease ] symptoms of schizophrenia are divided into the following categories delusions this includes false ideas about other people commonly thinking that someone is spying on them cheating them or out to harm them even when evidence is to the contrary a delusion can also be a false belief about oneself   such as believing you are a famous person hallucinations    this includes seeing hearing or smelling something that is not there or sometimes even tasting or feeling things that are not real disorganized thinkingnonsensical speech    conversation jumps radically from topic to topic and may contain phrases that are totally irrelevant or made up words social withdrawal and apathy    disinterest in their life or surroundings is frequently coupled with a lack of motivation and emotional unresponsiveness particularly in a social situation