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Feb 13, 2024 · Alzheimer's disease causes the brain to shrink and brain cells to eventually die. Alzheimer's disease is the most common cause of dementia — a gradual decline in memory, thinking, behavior and social skills. These changes affect a person's ability to function.
- Memory loss that disrupts daily life. One of the most common signs of Alzheimer’s disease, especially in the early stage, is forgetting recently learned information.
- Challenges in planning or solving problems. Some people living with changes in their memory due to Alzheimer's or other dementia may experience changes in their ability to develop and follow a plan or work with numbers.
- Difficulty completing familiar tasks. People living with memory changes from Alzheimer's or other dementia often find it hard to complete daily tasks. Sometimes they may have trouble driving to a familiar location, organizing a grocery list or remembering the rules of a favorite game.
- Confusion with time or place. People living with Alzheimer's or other dementia can lose track of dates, seasons and the passage of time. They may have trouble understanding something if it is not happening immediately.
Content reviewed: October 18, 2022. Memory problems are typically one of the first signs of Alzheimer's disease. Learn about other common signs of mild, moderate, and severe Alzheimer's.
Alzheimer’s disease causes a decline in memory, thinking, learning and organizing skills over time. It’s the most common cause of dementia and usually affects people over the age of 65. There’s no cure for Alzheimer’s, but certain medications and therapies can help manage symptoms temporarily.
Alzheimer's stages – learn about early, middle and late stages and what Alzheimer's and dementia symptoms to expect at each stage. Get information and resources for Alzheimer's and other dementias from the Alzheimer's Association.
Symptoms. Research. Changes in the brain. Understanding Alzheimer's and dementia. Alzheimer's is the most common cause of dementia, a general term for memory loss and other cognitive abilities serious enough to interfere with daily life. Alzheimer's disease accounts for 60-80% of dementia cases.
