In severe Alzheimer's disease, which memory pattern is typical?

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Multiple Choice

In severe Alzheimer's disease, which memory pattern is typical?

In severe Alzheimer's disease, memory problems start with an inability to form new memories. Encoding is impaired, so learning new information is weak. Because the stored traces are fragile, retrieving what has been learned becomes extremely difficult, causing severe retrieval impairment. Yet recognition—the ability to identify information when it’s presented as a cue—tollows a somewhat different pathway and is relatively better preserved early on, so recognition is only mildly impaired compared to recall. As the disease progresses, the memory traces decay more rapidly, leading to rapid forgetting. This combination—poor encoding, severe retrieval difficulty, only mild recognition impairment, and fast forgetting—fits the typical pattern seen in severe Alzheimer's disease.

In severe Alzheimer's disease, memory problems start with an inability to form new memories. Encoding is impaired, so learning new information is weak. Because the stored traces are fragile, retrieving what has been learned becomes extremely difficult, causing severe retrieval impairment. Yet recognition—the ability to identify information when it’s presented as a cue—tollows a somewhat different pathway and is relatively better preserved early on, so recognition is only mildly impaired compared to recall. As the disease progresses, the memory traces decay more rapidly, leading to rapid forgetting. This combination—poor encoding, severe retrieval difficulty, only mild recognition impairment, and fast forgetting—fits the typical pattern seen in severe Alzheimer's disease.

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