People in stage four may also be in denial about their forgetfulness and other symptoms, and as socialization becomes increasingly difficult, they may begin to withdraw from family and friends. In stage four, a healthcare provider can easily identify cognitive decline in an examination and interview with the patient.
The average duration of stage four is approximately two years. Major memory deficiencies are present beginning in stage five, and people in this stage of the disease may require assistance with activities of daily living, such as bathing, dressing, and preparing meals. Memory deficits in this stage are severe, with individuals often forgetting prominent bits of information that affect their daily lives — such as their home address or phone number.
They may not be able to identify where they are orientation to place or what time of day it is orientation to time. Stage five lasts, on average, one and a half years. Also known as Middle Dementia, stage six marks a period in which a person requires substantial assistance to carry out day-to-day activities.
They may have little memory of recent events and forget the names of close friends or family members. Many people in stage six have limited memory of their earlier lives and will also have difficulty completing tasks or successfully exhibiting cognitive skills such as counting backwards from People in stage six may also begin to experience incontinence of bowel or bladder, and speech ability is often diminished.
Significant personality changes may also be noticeable at this stage, as individuals may suffer from delusions, anxiety, or agitation. This stage lasts an average of about two and a half years. Learn more on other surprising facts about the disease. Learn about these drugs and others being developed. Health Conditions Discover Plan Connect. Medically reviewed by Timothy J. Legg, Ph. What is the average life expectancy? How much time can treatment add?
What factors affect longevity? What does age have to do with it? What you can do right now. Read this next. At this stage, symptoms include:. Trouble remembering their own name, but not details about their own life, such as address and phone number. Know that some people are familiar, but not remember their names, or forget the names of a spouse or child.
Need help choosing the right clothing, getting dressed, and with daily activities, such as brushing teeth. Become moody or withdrawn, or have personality changes, such as hallucinations, paranoia, or delusions. Physical changes may occur as well. Some people have sleep problems.
Wandering away from home is often a concern. The early signs of Alzheimer disease may not be obvious to anyone except the person with the disease and the people closest to them. Even then, the symptoms may be confused with normal changes that come with age. These are often memory tests. They may seem like puzzles or word games.
The healthcare provider might also take a health history and order some tests to check for other possible causes of memory loss or confusion. The provider might talk with family members about symptoms they have noticed. Some medicines can slow the progress of the disease in some people. These may work for a few months to a few years. During this stage — which can last for many years — your loved one will experience major difficulties with memory.
They may still remember significant details about their life, such as who they are married to or what state they live in. Their memory of the distant past will usually be significantly better than their memory of day-to-day information, such as what they saw on the news or a conversation from earlier in the day. Until now, your loved one may have been able to live on their own with no significant challenges.
You may have dropped in to check on them every so often, but for the most part, they were able to function without your regular assistance. In this stage, your loved one will likely have trouble remembering people that are important to them, such as close family and friends. They may struggle with learning new things, and basic tasks like getting dressed might be too much for them. Emotional changes are also common during this stage, including:.
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