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Early symptoms of Alzheimer's disease include forgetting recent events or conversations. Over time, Alzheimer's disease leads to serious memory loss and affects a person's ability to do everyday tasks. There is no cure for Alzheimer's disease.
Dementia is a term used to describe a group of symptoms affecting memory, thinking and social abilities. In people who have dementia, the symptoms interfere with their daily lives. Dementia isn't one specific disease.
The five Alzheimer's stages can help you understand what might happen. But it's important to know that these stages are only rough generalizations. The disease is a continuous process. Each person has a different experience with Alzheimer's and its symptoms.
To diagnose Alzheimer's dementia, healthcare professionals conduct tests to measure memory impairment and other thinking skills. They also judge functional abilities and identify behavior changes. A series of tests can rule out other possible causes of symptoms.
Vascular dementia symptoms vary, depending on the part of your brain where blood flow is impaired. Symptoms often overlap with those of other types of dementia, especially Alzheimer's disease dementia.
Young-onset Alzheimer's: When symptoms begin before age 65. When Alzheimer's begins in middle age, misdiagnosis may be more likely. This rare form of Alzheimer's affects work, finances and family. By Mayo Clinic Staff
Lewy body dementia causes a decline in mental abilities that gradually gets worse over time. People with Lewy body dementia might see things that aren't there. This is known as visual hallucinations. They also may have changes in alertness and attention.
The most common symptoms of frontotemporal dementia involve extreme changes in behavior and personality. These include: Increasingly inappropriate social behavior.
In some people, mild cognitive impairment is due to Alzheimer's disease. But there's no single outcome. Symptoms may remain stable for years or they may improve over time. Or mild cognitive impairment may progress to Alzheimer's disease dementia or another type of dementia.
Many medical conditions can cause memory loss or other dementia-like symptoms. Most of these conditions can be treated. Your healthcare professional can screen you for conditions that cause reversible memory loss.