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Read the Alzheimer Association's checklist for the top 10 symptoms to help recognize the warning signs of Alzheimer's disease.

Memory loss that disrupts everyday life is not a normal part of aging. It is a symptom of dementia, a gradual and progressive decline in memory, thinking and reasoning skills. The most common form of dementia is Alzheimer’s disease, a disorder that results in the loss of brain cells.

The Alzheimer’s Association, the world leader in Alzheimer research and support, has developed a checklist of common symptoms to help recognize the warning signs of Alzheimer’s disease.

1. Memory loss that disrupts daily life.

One of the most common signs of Alzheimer’s is memory loss, especially forgetting recently learned information.  Others include forgetting important dates or events; asking for the same information over and over; relying on memory aids like reminder notes or electronic devices, or family members for things they used to handle on their own. 

What’s a typical age-related change?  Sometimes forgetting names or appointments, but remembering them later.

2. Challenges in planning or solving problems.

Solving people may experience changes in their ability to develop ad follow a plan or work with numbers.  They may have trouble following a familiar recipe or keeping track of monthly bills.  They may have difficulty concentrating and take much longer to do things than they did before.

What’s a typical age-related change?  Making occasional errors when balancing a checkbook.

3. Difficulty completing familiar tasks at home, at work or at leisure.

People with Alzheimer’s often find it hard to complete daily tasks.  Sometimes people may have trouble driving to a familiar location, managing a budget at work or remembering the rules of a favorite game. 

What’s a typical age-related change?  Occasionally needing help to use the settings on a microwave or to record a television show.

4. Confusion with time or place.

People with Alzheimer’s can lose track of dates, seasons and the passage of time.  They may have trouble understanding something if it is not happening immediately.  Sometimes they may forget where they are or how they got there.

What’s a typical age-related change?  Getting confused about the day of the week but figuring it out later.

5. Trouble understanding visual images and spatial relationships. 

For some people, having vision problems is a sign of Alzheimer’s.  they may have difficulty reading, judging distance and determining color or contrast.  In terms of perception, they may pass a mirror and think someone else is in the room.  They may not realize they are the person in the mirror.

What’s a typical age related change?  Vision changes related to cataracts.

6. New problems with words in speaking or writing.

People with Alzheimer’s may have trouble following or joining a conversation.  They may stop in the middle of a conversation and have no idea how to continue to they may repeat themselves.  They may struggle with vocabulary, have problems finding the right word or call things by the wrong name. 

What’s a typical age-related change?  Sometimes having trouble finding the right word.

7. Misplacing things and losing the ability to retrace steps.

A person with Alzheimer’s disease may put things in unusual places.  They may lose things and be unable to go back over their steps to find them again.  Sometimes, they may accuse others of stealing.  This may occur more frequently over time.

What’s a typical age-related change?  Misplacing things from time to time, such as a pair of glasses or the remote control.

8. Decrease or poor judgment.

People with Alzheimer’s may experience changes in judgment or decision-making.  For example, they may use poor judgment when dealing with money, giving large amounts to telemarketers.  They may pay less attention to grooming or keeping themselves clean.

What’s a typical age-related change?  Making a bad decision once in a while.

9. Withdrawal from work or social activities.

A person with Alzheimer’s may start to remove themselves from hobbies, social activities, work projects or sports.  They may have trouble keeping up with t favorite sports team or remembering how to complete a favorite hobby.  They may also avoid being social because of the changes they have experienced. 

What’s a typical age-related change?  Sometimes feeling weary of work, family and social obligations.

10. Changes in mood and personality.

The mood and personalities of people with Alzheimer’s can change.  They can become confused suspicious, depressed fearful or anxious.  They may be easily upset at home, at work, with friends or in places where they are out of their comfort zone.

What’s a typical age-related change?  Developing very specific ways of doing things and becoming irritable when a routine is disrupted.