Which disorder often develops at a younger age than typical forms of dementia?

Frontotemporal dementia is indeed a disorder that frequently develops at a younger age compared to other types of dementia, such as Alzheimer's disease or vascular dementia, which typically manifest later in life. This form of dementia affects the frontal and temporal lobes of the brain, leading to changes in personality, behavior, and language capabilities.

Individuals often diagnosed with frontotemporal dementia are commonly in their 50s or even younger, which is a stark contrast to Alzheimer's disease, which typically arises in older adults, usually after age 65. The early onset of symptoms associated with frontotemporal dementia can impact the individual's relationships and social engagements, making awareness and understanding of this condition particularly important for caregivers and families.

While Parkinson's disease is also associated with younger onset forms and has a close relationship with dementia, it is not classified under the broad category of dementia itself; rather, it is a progressive neurological disorder characterized primarily by motor symptoms. Thus, frontotemporal dementia stands out as the correct response to this question based on its age of onset.