What is frontotemporal type of dementia?

See below. It affects the frontal lobes (front) and temporal lobes (sides) of the brain. Onset is usually earlier than alzheimer's. Initial sx may involve changes in personality, judgement and social functioning. Pick's disease is one of the forms of the frontotemporal dementia. Here's a link to fuller description of the disease http://www.Alz.Org/alzheimers_disease_frontotemporal_dementia.Asp.
Disinhibition. There are several causes of frontal dementias; they are characterized by poor judgment, poor impulse control; emotional incontinence; lability of emotions; anger and laughter, often uncontrollably or in an unusual context; dependent on the cause, there are treatments available...