Reduplicative paramnesia

Reduplicative paramnesia
Synonyms
Pronounce	N/A
Specialty	Neurology, Psychiatry
Symptoms	Belief that a location has been duplicated
Complications	N/A
Onset
Duration
Types
Causes	Brain injury, Stroke, Dementia
Risks
Diagnosis	Clinical assessment, Neuroimaging
Differential diagnosis	Capgras delusion, Fregoli delusion
Prevention	N/A
Treatment
Medication
Prognosis
Frequency	Rare
Deaths	N/A

Reduplicative paramnesia is a rare neurological disorder characterized by the delusional belief that a place or location has been duplicated, existing in two or more places simultaneously. It is often associated with a range of conditions including Alzheimer's disease, brain injury, and cerebrovascular disease.

Causes

Reduplicative paramnesia is typically caused by damage to the right cerebral hemisphere, particularly the frontal lobe and the right retrosplenial cortex. This damage can occur due to a variety of conditions such as stroke, trauma, brain tumor, or neurodegenerative diseases.

Symptoms

The primary symptom of reduplicative paramnesia is the delusional belief that a specific place or location exists in two or more places simultaneously. This can include familiar places such as the patient's home or hospital. The patient may also believe that people or events are being duplicated.

Diagnosis

Diagnosis of reduplicative paramnesia is primarily based on the patient's symptoms and medical history. Neurological examination and imaging studies such as MRI or CT scan may be used to identify any underlying brain damage or disease.

Treatment

Treatment for reduplicative paramnesia primarily involves addressing the underlying cause of the condition. This may involve medication, surgery, or other treatments depending on the specific cause. In some cases, cognitive behavioral therapy may be used to help manage symptoms.

Prognosis

The prognosis for reduplicative paramnesia varies depending on the underlying cause of the condition. In some cases, symptoms may improve over time with treatment. However, in cases where the condition is caused by a progressive neurological disease, symptoms may worsen over time.

See also

• Capgras delusion
• Cotard delusion
• Fregoli delusion
• Prosopagnosia