What is Capgras?
Brain & Causes
Across the Lifespan
Treatment & Support
Media & Statistics
100

A rare delusion in which someone believes a loved one has been replaced by an identical imposter.

What is Capgras syndrome?

100

The psychotic disorder most commonly associated with Capgras syndrome in younger adults.

What is schizophrenia?

100

Capgras syndrome affects only a very small percentage of the general population.

How common is Capgras syndrome in the general population?

100

The primary class of medication used when Capgras is associated with psychosis.

What are antipsychotics?

100

Between 1% and 4% of individuals diagnosed with schizophrenia experience this misidentification delusion.

What percentage of people with schizophrenia experience Capgras syndrome?

200

A fixed false belief that remains despite clear evidence to the contrary.

What is a delusion?

200

The neurodegenerative disease most commonly associated with Capgras syndrome in elderly patients.

What is Alzheimer’s disease?

200

The category of disorders involving psychosis that commonly links to Capgras in younger adults.

What are schizophrenia spectrum disorders?

200

The therapy approach that focuses on restructuring distorted thoughts.

What is cognitive behavioral therapy?

200

Research suggests that up to about 10% of patients hospitalized for a first psychotic episode may show symptoms of this syndrome.

In first-episode psychosis cases, what percentage of patients may show Capgras symptoms?

300

The broader classification that includes Capgras syndrome and other misidentification conditions.

What are Delusional Misidentification Syndromes?

300

The brain structure responsible for emotional processing that may be disconnected from facial recognition in Capgras.

What is the amygdala?

300

The broader diagnostic category that includes Alzheimer’s and other memory-related disorders linked to Capgras in older adults.

What are neurocognitive disorders?

300

The recommended caregiver approach of validating a patient’s emotional experience rather than confronting the delusion directly.

What is emotional validation?

300

The storytelling trope in which a loved one is replaced by a double or imposter.

What is the “imposter” or “double” trope?

400

The cognitive ability that remains intact in Capgras patients, allowing them to recognize faces visually.

What is facial recognition?

400

The lobe of the brain heavily involved in processing faces and often implicated in Capgras.

What is the temporal lobe?

400

A potential psychological factor in children that may contribute to misidentification delusions.

What is severe stress or trauma?

400

Alcohol and recreational drugs can worsen this symptom often present in Capgras syndrome.

What is psychosis?

400

The psychological theme in movies where a character believes a loved one has been replaced by an identical double.

What is the imposter (or “double”) trope?

500

The French psychiatrist who first described Capgras syndrome in 1923.

Who is Joseph Capgras?

500

A traumatic brain injury, stroke, or epilepsy are examples of this type of trigger for Capgras syndrome.

What is a neurological injury?

500

The type of decline that increases as dementia progresses, raising the likelihood of misidentification delusions.

What is cognitive decline?

500

The most important factor in successfully treating Capgras syndrome.

What is treating the underlying cause?

500

A disruption between facial recognition processing and emotional familiarity in the brain.

What neurological explanation is most commonly proposed for Capgras syndrome?