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Understanding Pick's Disease: Causes, Symptoms, Diagnosis, and Treatment

Jerome Albert Ecker | MD

Medically reviewed by Jerome Albert Ecker | MD, Assistant Professor of Medicine, Duke University - Durham, NC on March 28th, 2024.

Key Takeaways

  • This frontotemporal dementia affects 50,000-60,000 Americans by targeting the brain's frontal and temporal lobes, where personality and language processing occur.
  • Unlike Alzheimer's, patients initially show aggressive behavior, inappropriate social conduct, and language problems while memory remains largely intact in early stages.
  • Abnormal tau protein clumps called Pick bodies disrupt cellular transport systems, preventing neurons from receiving essential nutrients and eventually causing cell death.
  • Brain imaging reveals characteristic patterns of atrophy in frontal and temporal regions, helping distinguish it from other dementias through MRI or PET scans.
  • Most patients survive 6-10 years after symptom onset, with behavioral therapy, selective serotonin reuptake inhibitors, and speech therapy helping manage symptoms since no disease-modifying treatments exist.

Pick's disease is a rare form of dementia that affects the frontal and temporal lobes of the brain, which control emotions, behavior, personality, and language. It is a type of frontotemporal dementia (FTD) or frontotemporal lobar degeneration (FTLD). While similar to Alzheimer's disease, Pick's disease is far less common, affecting around 50,000 to 60,000 people in the United States. The disease is named after Dr. Arnold Pick, who first described it in 1892.

What Causes Pick's Disease?

In some cases, Pick's disease is caused by a genetic mutation passed down from a parent. However, in most cases, the exact cause is unknown. The disease is characterized by the formation of abnormal clumps of tau proteins in the brain, called Pick bodies. These Pick bodies disrupt the brain's transport system, preventing nutrients from reaching the areas where they are needed, ultimately leading to irreversible brain damage.

Understanding Pick's Disease: Causes, Symptoms, Diagnosis, and Treatment

Symptoms of Pick's Disease

The symptoms of Pick's disease primarily affect behavior, personality, and language. Some common symptoms include:

  • Aggressive behavior

  • Lack of interest in everyday activities

  • Irritability and agitation

  • Drastic mood swings

  • Difficulty feeling empathy or concern for others

  • Impulsive decision-making

  • Inappropriate behavior

  • Repetitive actions

  • Increased appetite or craving for sweets

  • Memory loss

  • Loss of language skills (difficulty speaking, word-finding trouble, loss of vocabulary)

  • Rigidity or mutism

  • Incontinence

Language problems are also common in Pick's disease, such as difficulty recalling names of objects, understanding written words, or speaking fluently.

Diagnosing Pick's Disease

To diagnose Pick's disease, a doctor will assess the patient's symptoms, medical history, and perform tests to evaluate memory, behavior, language, and other mental functions. Imaging tests like MRI, SPECT, or PET scans may be used to examine brain activity and structure. Genetic testing can also help identify the presence of the gene that causes Pick's disease in some cases.

Treatment Options for Pick's Disease

Currently, there is no cure for Pick's disease, and medications cannot slow its progression. However, treatment can help manage symptoms and improve quality of life. Some treatment options include:

  • Behavioral therapy to control dangerous behaviors

  • Antidepressants to manage agitation or aggression

  • Support and resources for caregivers

  • Speech therapy

While the progression of Pick's disease can vary, it typically worsens over time. Some people may live up to 10 years with the condition. It is essential for patients and their families to work closely with healthcare professionals to develop a comprehensive care plan that addresses their unique needs.

For more information on Pick's disease and other forms of dementia, visit the National Institute on Aging.

The Bottom Line

Early recognition of personality changes and inappropriate social behavior—rather than memory loss—is crucial for proper diagnosis and symptom management. While no cure exists, targeted therapies can improve quality of life for both patients and caregivers. If you're noticing dramatic personality shifts or language difficulties in yourself or a loved one, Doctronic can help you understand these symptoms and guide next steps.

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