Do you mean what is the most serious / profound disorder resulting in a memory loss? Some disorders have very debilitating effects on memory – for example, trauma to the head (during an accident) or a stroke can cause amnesia – retrograde or anterograde which, respectively, make you forget a lot of what you know (who you are, what your family members look like etc.) OR you cannot learn anything new. In some cases, and with appropriate fast and effective rehabilitation program, you can regain your memory abilities; but in some cases no.
Also as Paul mentioned Alzheimer’s disease can be quite difficult as there is a gradual change in the person who is living with Alzheimer’s but also the loss of memory and other functions can affect the quality of life both for the person living with dementia and his or her family members.
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Shanti commented on :
Do you mean what disease causes most profound memory loss? I think loss to the both hippocampus can be very debilitating as the person cannot learn any new information. A very classic case is about patient HM. You can find some more details here: http://www.brainfacts.org/in-the-lab/tools-and-techniques/2018/the-curious-case-of-patient-hm-082818
Also as Paul mentioned Alzheimer’s disease can be quite difficult as there is a gradual change in the person who is living with Alzheimer’s but also the loss of memory and other functions can affect the quality of life both for the person living with dementia and his or her family members.
anon-188136 commented on :
yes that is what I mean..