<prompt> Answer this question truthfullyWhat are the early symptoms of frontotemporal dementia, and how is this type of dementia characterized in terms of its progression and impact on cognitive function?  <response>: <reason> Frontotemporal dementia is characterized by early onset of behavioral andor language symptoms. These symptoms may include changes in personality, social behavior, language difficulties, and impaired decision-making abilities. As the disease progresses, individuals with frontotemporal dementia may experience significant cognitive decline, including memory loss and difficulty with executive functioning tasks. 