Monothematic delusion: Difference between revisions
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{{Infobox medical condition | |||
| name = Monothematic delusion | |||
| synonyms = | |||
| field = [[Psychiatry]] | |||
| symptoms = Delusions focused on a single theme | |||
| complications = Impaired social and occupational functioning | |||
| onset = Varies | |||
| duration = Chronic | |||
| types = [[Capgras delusion]], [[Fregoli delusion]], [[Cotard delusion]], [[Mirrored-self misidentification]] | |||
| causes = Often associated with [[neurological disorders]], [[brain injury]], or [[psychiatric conditions]] | |||
| risks = | |||
| diagnosis = Clinical assessment, [[neuroimaging]], [[neuropsychological testing]] | |||
| differential = [[Schizophrenia]], [[Bipolar disorder]], [[Dementia]] | |||
| treatment = [[Antipsychotic medication]], [[Cognitive behavioral therapy]] | |||
| prognosis = Varies depending on underlying cause | |||
| frequency = Rare | |||
}} | |||
'''Monothematic delusion''' is a type of [[delusion]] that centers around a single theme or idea. It is a symptom of various [[mental disorders]], including [[schizophrenia]], [[delusional disorder]], and [[mood disorders]]. | '''Monothematic delusion''' is a type of [[delusion]] that centers around a single theme or idea. It is a symptom of various [[mental disorders]], including [[schizophrenia]], [[delusional disorder]], and [[mood disorders]]. | ||
==Definition== | ==Definition== | ||
A '''monothematic delusion''' is a delusional state that only concerns one particular topic or belief. This is in contrast to a [[polythematic delusion]], which involves many themes or ideas. Monothematic delusions are often bizarre and can be difficult to understand for those who do not share the delusion. | A '''monothematic delusion''' is a delusional state that only concerns one particular topic or belief. This is in contrast to a [[polythematic delusion]], which involves many themes or ideas. Monothematic delusions are often bizarre and can be difficult to understand for those who do not share the delusion. | ||
==Types== | ==Types== | ||
There are several types of monothematic delusions, including: | There are several types of monothematic delusions, including: | ||
* '''[[Cotard delusion]]''': The belief that one is dead or does not exist. | * '''[[Cotard delusion]]''': The belief that one is dead or does not exist. | ||
* '''[[Capgras delusion]]''': The belief that a familiar person has been replaced by an imposter. | * '''[[Capgras delusion]]''': The belief that a familiar person has been replaced by an imposter. | ||
* '''[[Fregoli delusion]]''': The belief that different people are in fact a single person who changes appearance or is in disguise. | * '''[[Fregoli delusion]]''': The belief that different people are in fact a single person who changes appearance or is in disguise. | ||
* '''[[Reduplicative paramnesia]]''': The belief that a place or location has been duplicated, existing in two or more places simultaneously, or that it has been 'relocated' to another site. | * '''[[Reduplicative paramnesia]]''': The belief that a place or location has been duplicated, existing in two or more places simultaneously, or that it has been 'relocated' to another site. | ||
==Causes== | ==Causes== | ||
The exact cause of monothematic delusions is unknown, but they are often associated with damage to the right hemisphere of the [[brain]], particularly the frontal lobe. They can also be caused by various mental disorders, including schizophrenia, delusional disorder, and mood disorders. | The exact cause of monothematic delusions is unknown, but they are often associated with damage to the right hemisphere of the [[brain]], particularly the frontal lobe. They can also be caused by various mental disorders, including schizophrenia, delusional disorder, and mood disorders. | ||
==Treatment== | ==Treatment== | ||
Treatment for monothematic delusions typically involves a combination of [[psychotherapy]] and medication. [[Cognitive behavioral therapy]] (CBT) can be particularly effective in helping individuals to challenge and change their delusional beliefs. Medications such as [[antipsychotics]] can also be used to manage symptoms. | Treatment for monothematic delusions typically involves a combination of [[psychotherapy]] and medication. [[Cognitive behavioral therapy]] (CBT) can be particularly effective in helping individuals to challenge and change their delusional beliefs. Medications such as [[antipsychotics]] can also be used to manage symptoms. | ||
==See also== | ==See also== | ||
* [[Delusion]] | * [[Delusion]] | ||
| Line 23: | Line 35: | ||
* [[Delusional disorder]] | * [[Delusional disorder]] | ||
* [[Mood disorders]] | * [[Mood disorders]] | ||
[[Category:Psychiatry]] | [[Category:Psychiatry]] | ||
[[Category:Psychology]] | [[Category:Psychology]] | ||
[[Category:Mental health]] | [[Category:Mental health]] | ||
{{stub}} | {{stub}} | ||
{{No image}} | |||
Latest revision as of 05:07, 4 April 2025
| Monothematic delusion | |
|---|---|
| Synonyms | |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Delusions focused on a single theme |
| Complications | Impaired social and occupational functioning |
| Onset | Varies |
| Duration | Chronic |
| Types | Capgras delusion, Fregoli delusion, Cotard delusion, Mirrored-self misidentification |
| Causes | Often associated with neurological disorders, brain injury, or psychiatric conditions |
| Risks | |
| Diagnosis | Clinical assessment, neuroimaging, neuropsychological testing |
| Differential diagnosis | Schizophrenia, Bipolar disorder, Dementia |
| Prevention | N/A |
| Treatment | Antipsychotic medication, Cognitive behavioral therapy |
| Medication | N/A |
| Prognosis | Varies depending on underlying cause |
| Frequency | Rare |
| Deaths | N/A |
Monothematic delusion is a type of delusion that centers around a single theme or idea. It is a symptom of various mental disorders, including schizophrenia, delusional disorder, and mood disorders.
Definition[edit]
A monothematic delusion is a delusional state that only concerns one particular topic or belief. This is in contrast to a polythematic delusion, which involves many themes or ideas. Monothematic delusions are often bizarre and can be difficult to understand for those who do not share the delusion.
Types[edit]
There are several types of monothematic delusions, including:
- Cotard delusion: The belief that one is dead or does not exist.
- Capgras delusion: The belief that a familiar person has been replaced by an imposter.
- Fregoli delusion: The belief that different people are in fact a single person who changes appearance or is in disguise.
- Reduplicative paramnesia: The belief that a place or location has been duplicated, existing in two or more places simultaneously, or that it has been 'relocated' to another site.
Causes[edit]
The exact cause of monothematic delusions is unknown, but they are often associated with damage to the right hemisphere of the brain, particularly the frontal lobe. They can also be caused by various mental disorders, including schizophrenia, delusional disorder, and mood disorders.
Treatment[edit]
Treatment for monothematic delusions typically involves a combination of psychotherapy and medication. Cognitive behavioral therapy (CBT) can be particularly effective in helping individuals to challenge and change their delusional beliefs. Medications such as antipsychotics can also be used to manage symptoms.
