[e-Learning] Different Types of Dementia

Lesson Outline

Dementia is a general term for a decline in cognitive function severe enough to interfere with daily life. It is most commonly caused by toxic proteins or blood vessel damage in the brain, or a mix of those causes. The symptoms and signs of dementia can vary based on the cause and the area of the brain affected.

After completing this interactive lesson, you should be able to answer the following questions:

• What are the most common diseases that cause dementia?
• What are the signs and symptoms of each type?
• How do they progress?

Different types of dementia

It is often difficult to distinguish between the different types of dementia, and many people may have a mix of more than one type. There is no easy way to make a definite diagnosis, as there is not necessarily one clear test to confirm it. Signs and symptoms may change or evolve over time, leading to changes in the most likely underlying diagnosis or cause of the dementia.

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