In a nutshell, persons living with Alzheimer's, or a related dementia, cannot remember to remember. As a result, they can no longer either recall or use new memories in the future.
Normal aging leads to changes in the brain, especially in areas involved in learning and memory.
Over time, changes in the brain can make it more difficult for an older person to learn new tasks or to retrieve information from memory, such as someone's name.
With Alzheimer's disease or a related dementia, the damage is more severe and ultimately affects larger regions of the brain.
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There are four different memory systems of the brain -- episodic, semantic, procedural, and working.
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Memory Systems
Episodic Memory
The temporal lobe, which contains the hippocampus, and the prefrontal cortex are important to episodic memory, which enables us to learn new information and remember recent events. The hippocampus is one of the first brain structures damaged in Alzheimer's disease and accounts for one hallmark of early Alzheimer's: difficulty remembering recent events, without any trouble remembering events from long ago.
Semantic Memory
Semantic memory governs general knowledge and facts, including the ability to recognize, name, and categorize objects. This system also involves the temporal lobes and, researchers suspect, multiple areas within the cortex. People with Alzheimer's disease may be unable to name a common object or to list objects in a category, such as farm animals or types of birds.
Procedural Memory
The cerebellum is one of the structures involved in procedural memory. Procedural memory is what enables people to learn skills that will then become automatic (unconscious), such as typing or skiing. This memory system typically is not damaged in Alzheimer's disease or is one of the last cognitive domains to deteriorate.
Working Memory
Working memory involves primarily the prefrontal cortex. This memory system governs attention, concentration, and the short-term retention of needed information, such as a street address or phone number. Problems with working memory can impair a person's ability to pay attention or to accomplish multi-step tasks. Numerous cognitive disorders, such as Alzheimer's, Parkinson's, and Huntington's disease as well as dementia with Lewy bodies, can affect working memory.
In a nutshell, persons living with Alzheimer's or dementia cannot remember to remember. As a result, they can no longer either recall or use new memories in the future.
Nevertheless, persons living with dementia continue to surprise us with there stories and memories of the past.
This is why I often referred to my mother as being deeply forgetful. My mother proved to me over and over that the deeply forgetful are in fact capable of living in the present - the right now.
This should be the focus of our compassionate caregiver efforts.
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Sources of information: John Hopkins +Alzheimer's Reading Room
Bob DeMarco is the Founder of the Alzheimer's Reading Room (ARR). Bob is a recognized expert, writer, speaker, and influencer in the Alzheimer's and Dementia Community worldwide. The ARR Knowledge Base contains more than 4,900 articles. Bob lives in Delray Beach, FL.Original content the Alzheimer's Reading Room
Empathy I believe starts with understanding. Learning to understand how a person who is deeply forgetful might be feeling at any given point in time.
This includes being sensitive to the actions that might be taken, and the cause effect of these actions.
The caregiver begins to acquire empathy by asking how, why, what.
How is the person who is deeply forgetful feeling? Why is the person who is deeply forgetful acting this way? What do they need?
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