What is Dementia

Dementia has been defined as a general term for a decline in mental ability severe enough to interfere with daily life. Memory loss is an example. Alzheimer's is the most common type of dementia.

Symptoms of dementia can vary greatly, at least two of the following core mental functions must be significantly impaired to be considered dementia:

• Memory
• Communication and language
• Ability to focus and pay attention
• Reasoning and judgment
• Visual perception 

Source: Alzheimers Association