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Capgras Syndrome: When Familiar Faces Become Strangers

Writer's picture: Elder Love USAElder Love USA


In 1923, a French woman believed her husband had been replaced by an imposter.


This unusual case was first observed and documented by French psychiatrist Joseph Capgras, leading to what is now known as Capgras Syndrome—a deeply distressing delusional disorder.



What Is Capgras Syndrome?


Capgras Syndrome causes a person to believe that someone close to them—a spouse, child, caregiver, or other significant figure—has been replaced by an identical-looking imposter with subtle physical differences.


The delusion often begins with one person and may gradually extend to other family members or caregivers


Despite clear evidence and reasoning to the contrary, those affected remain firmly convinced that their loved ones are not who they appear to be.



Who Is Affected?


Capgras Syndrome can be experienced by people with neurodegenerative diseases, central nervous system conditions, or brain and mental health-related conditions, including Alzheimer’s disease, Lewy body dementia, Schizophrenia and other psychiatric disorders.



The Impact on Families and Caregivers

Capgras Syndrome doesn’t just affect the individual—it profoundly impacts their loved ones. A spouse, child, or caregiver may suddenly be seen as an imposter, leading to distress, resistance to care, and even aggression.


If your loved one refuses your care or accuses you of deception, try not to take it personally. Their brain is misinterpreting reality, and they are likely confused and frightened.


Here are a few strategies that may help:


  • Stay calm and reassuring – Avoid confrontation and validate their feelings. Arguing or trying to convince them otherwise usually doesn’t help and may only increase their anxiety and fear.


  • Introduce yourself before they see you – Capgras Syndrome primarily affects visual recognition, not auditory recognition. Speaking or calling them on the phone from another room before entering in may help establish familiarity.


  • Observe & identify triggers – Keep track of when episodes occur and note any patterns. Discussing these with a doctor can help guide treatment.



Can It Be Treated?


While there is no specific cure, Capgras Syndrome can sometimes be managed through therapy and medication, depending on the underlying condition. Consulting a doctor as soon as symptoms appear is crucial.


It’s also important to recognize that relapses can occur, especially in progressive neurodegenerative diseases. Having a strong support system and professional guidance can help both the individual and their caregivers navigate this challenging condition.


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