In which case, it's about time for the person to entrust what he/she has to a loved one or somebody dependable. Surely, he/she doesn't have any business trading. It's certainly not for somebody suffering from amnesia.
On a more serious note, this is a real-life risk that's faced by anybody who takes up the responsibility of being his/her own bank. I'm sure many coins will die with their owners or forgotten along with their memories.
I am not very familiar with the condition but, since it’s one that can be threatening giving a field that many of us in Bitcoin today originally sort out the cryptocurrency trading idea when we learnt of this field, although a lot changed but, the possibility of reverting to this possible is always there…
Isn’t this a condition that can be built on? I know having a pocket of information not available to you as per how price might have changed over the span of some time is scary and even worts when this timestamp runs into years.
However, these informations exists over the web and for Bitcoin it’s price hikes revolves about the months or a year after the halving and does exists on the web. Wouldn’t having to research on it serve some purpose?