nihilistic delusion
Noun: A nihilistic delusion is a specific type of delusional belief characterized by the conviction that oneself, parts of one's body, other people, the external world, or everything in existence, does not exist or has been destroyed. It involves a profound sense that everything is unreal or has ceased to be.
This term is used almost exclusively in clinical, psychiatric, and psychological contexts to describe a severe symptom of certain mental disorders. * It is a formal, technical term. * It is typically used by healthcare professionals when discussing a patient's symptoms or making a diagnosis. * It is often associated with conditions like severe depression (psychotic depression), schizophrenia, Cotard's syndrome, and other psychotic disorders.
- The psychiatrist noted that the patient's nihilistic delusion, involving the belief that her internal organs had rotted away, was a key feature of her psychotic depression.
- A core symptom of Cotard's syndrome is a nihilistic delusion, where an individual may insist they are dead or that their body is decomposing.
- His nihilistic delusion extended beyond himself; he was convinced the entire city and everyone in it had been annihilated.
- Clinical Assessment: The term is used to categorize and specify the content of a patient's delusions, which helps guide diagnosis and treatment. For example: "The differential diagnosis must consider the presence of nihilistic delusions versus other somatic delusions."
- Philosophical Contrast: While "nihilism" in philosophy refers to the belief that life lacks objective meaning or value, a nihilistic delusion is a pathological, fixed false belief about physical or existential non-existence, not an intellectual philosophical stance.
- Nihilism (Philosophical): (Noun) The philosophical viewpoint that traditional values and beliefs are unfounded and that existence is senseless or useless.
- Delusion: (Noun) A fixed, false belief held despite clear contradictory evidence.
- Cotard's Delusion / Cotard's Syndrome: (Noun) A specific psychiatric condition where the central symptom is a nihilistic delusion, often the belief that one is dead or does not exist.
- Somatic Delusion: (Noun) A delusion pertaining to the body. A nihilistic delusion about one's own body (e.g., "My brain is gone") is a type of somatic delusion.
- Delusion of negation: This is a direct synonym often used interchangeably in clinical literature.
- Cotard's delusion: Specifically refers to nihilistic delusions centered on the self's non-existence or death.
- To experience/have/suffer from nihilistic delusions: The common verb collocations used to describe this symptom.
- Example: The patient was admitted after beginning to suffer from severe nihilistic delusions.
- the delusion that things (or everything, including the self) do not exist; a sense that everything is unreal