9 types: persecutory delusions: false belief that oneself or one's loved ones are being persecuted, watched or conspired against by others -delusion of reference: belief that everyday events, objects, or other people have an unusual personal significance -Grandiose delusion: False belief that one has great power, knowledge, or talent or that one is a famous and powerful person -Delusion of being controlled: Belief that one's thoughts, feelings, or behaviors are being imposed or controlled by external force -thought broadcast: Belief that one's thoughts are being broadcast from one's mind for others to hear. Thought insertion: Belief that another person or object is inserting thoughts into one's mind. Thought withdrawal: Belief that thoughts are being removed from one's mind by another person or by an object. Delusion of guilt or sin: False belief that one has committed a terrible act or is responsible for a terrible event. Somatic Delusion: False beliefs that one's appearance or part of one's body is diseases or altered.