Increasing forgetfulness or mild confusion may be the first symptoms of Alzheimer's disease and memory loss.
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is short-term memory a sign of dementia
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One of the first signs of dementia is short term memory loss. Alzheimer's is the most common form of dementia.
Short term memory loss occurs when neural passages in the brain become severed and no longer work properly.
New information enters the brain through the entorhinal cortex, and then is relayed to the hippocampus for short term memory storage. When the neural pathways that allow for this transfer of information become blocked, or cloggged, by beta amyloid the transfer of information in the brain is no longer possible.
As Alzheimer's worsens nerve cells in the entorhinal cortex begin dying and the connection to the hippocampus is short circuited.
In essence, when the hippocampus stops working properly, new memories no longer get converted and stored in the brain.
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