Persecutory delusions involve the conviction that someone intends to harm, monitor, deceive or unfairly target the person. The perceived threat may involve strangers, neighbours, organisations or people close to them. Ordinary events, such as a…Continue Reading
Psychotic symptoms in schizoaffective disorder can include hallucinations, delusions and disorganised thinking. Someone may hear voices, interpret neutral events as personally directed messages or struggle to express a coherent train of thought. These experiences can…Continue Reading
Grandiose delusions involve beliefs about exceptional identity, importance, power, ability or relationships. A person may believe they possess extraordinary knowledge, have a special mission or maintain a close connection with a famous individual. The belief…Continue Reading
A mood episode is a sustained period of clinically significant changes in emotion, energy and associated functioning. In schizoaffective disorder, this may involve a major depressive episode or a manic episode. Depression can include persistent…Continue Reading
The bipolar type of schizoaffective disorder includes manic episodes within an illness that also meets the relevant psychosis criteria. Depressive episodes may occur, but a history of mania is the defining mood feature. During mania…Continue Reading
The depressive type of schizoaffective disorder involves major depressive episodes alongside the required pattern of psychotic symptoms, without a history of mania. Depression may affect mood, interest, appetite, sleep, self-worth and the ability to think…Continue Reading
Schizophrenia and schizoaffective disorder share psychotic symptoms, so the distinction largely concerns the role and timing of major mood episodes. People with schizophrenia can experience depression or mood changes without meeting criteria for schizoaffective disorder.…Continue Reading
Schizophrenia is a mental health condition characterised by combinations of psychotic symptoms, negative symptoms and difficulties with cognition. Psychotic symptoms can include hearing voices, strongly held delusional beliefs and disorganised thinking. Negative symptoms involve reductions…Continue Reading
Prevalence describes how many people in a population have a condition during a specified period. Lifetime prevalence asks whether someone has ever met diagnostic criteria; point prevalence concerns a particular moment. These measures produce different…Continue Reading
Schizophrenia most often becomes apparent from late adolescence through early adulthood, although onset outside this period occurs. On average, men tend to develop the condition earlier than women. These are population patterns, not rules for…Continue Reading