Dementia is an umbrella term for a collection of symptoms caused by disorders affecting the brain. Join our webinar as we explore the various symptoms of Dementia, commonly known as the 8 A's. We will Dementia is an umbrella term for a collection of symptoms caused by disorders affecting the brain. Join our webinar as we explore the various symptoms of Dementia, commonly known as the 8 A's. We will discuss the 8 A's, along with strategies to support persons living with dementia.