Frontotemporal Dementia (FTD) is a group of brain disorders caused by progressive damage to the frontal and/or temporal lobes of the brain. These areas are responsible for personality, behavior, language, and decision-making.

Key Features:

• Early Onset: FTD often develops between the ages of 45 and 65, earlier than other forms of dementia such as Alzheimer's disease.
• Behavioral Changes: Individuals may show impulsivity, socially inappropriate behavior, apathy, or lack of empathy. These changes are often mistaken for psychiatric disorders initially.
• Language Difficulties: Problems may include difficulty speaking, understanding speech, or finding words (aphasia). This is more common in the variant called primary progressive aphasia.
• Cognitive Decline: Memory may remain relatively intact in the early stages, but judgment, problem-solving, and planning can be severely affected.
• Motor Symptoms: In some cases, FTD overlaps with motor neuron diseases like ALS, leading to movement problems.

Subtypes:

1. Behavioral variant FTD (bvFTD) – marked by prominent behavioral and personality changes.
2. Primary progressive aphasia (PPA) – affects speech and language abilities.
3. FTD with motor neuron disease (FTD-MND) – involves both cognitive decline and muscle weakness.

Causes:

FTD is associated with abnormal protein accumulations in the brain, such as tau or TDP-43. It may be sporadic or genetic (about 30–40% of cases have a family history).

Diagnosis:

• Neurological examination
• Brain imaging (MRI, PET scans)
• Neuropsychological testing
• Genetic testing (in some cases)

Treatment:

There is no cure. Treatment focuses on symptom management, including:

• Medications (e.g., antidepressants, antipsychotics)
• Speech and occupational therapy

Supportive care for patients and families