What is a delusion?
A false, fixed belief that is firmly maintained despite evidence to the contrary.
Are delusions part of thought process or thought content?
Thought content
What is referential thinking (ideas of reference)?
The irrational belief that random events relate specifically to oneself.
Example of an idea of reference?
Believing a billboard or TV message is meant specifically for you.
Key difference between a delusion and referential thinking?
Delusion = fixed false belief
Idea of reference = misinterpreting random events as personally meaningful
What are common types of delusions?
Persecutory
Grandiose
Religious
Somatic
Jealous
Erotomanic
Mixed
What is a persecutory delusion?
Belief that others are trying to harm, spy on, or persecute the person.
What is a grandiose delusion?
Belief that one has special powers, talent, knowledge, or divine connection.
What is a somatic delusion?
False belief about bodily functions or sensations (e.g., body emits odor).
What is a jealous delusion?
False belief that a spouse/partner is unfaithful without evidence.
What is an erotomanic delusion?
False belief that someone (often famous or powerful) is in love with the client.
Erotomania → think celebrity stalking scenario.
What is the defining feature of delusional disorder?
One or more nonbizarre delusions lasting ≥ 1 month
How is functioning in delusional disorder?
Generally not impaired except around the delusion.
Are hallucinations common in delusional disorder?
Rare and not prominent.
What is the mean age of onset?
Around 40 years old
Which gender is more likely to have paranoid/persecutory delusions?
men
Which gender is more likely to have erotomanic delusions?
Women
What is typically normal in delusional disorder?
Appearance, cognition, and most behavior (except delusional content).
What may be impaired during delusional episodes?
Abstract thinking (may interpret proverbs concretely)
What is often seen in thought process?
Perseveration on delusional themes