Is wearing the mask able to absorb enough oxygen for muscles, organs, and especially the brain?
Wearing the mask does not interfere with normal breathing, that which takes place at rest or during moderate movement, where there is sufficient oxygen for the body. It can certainly be more labor intensive during progressive physical activity, with the understanding that you are quite out of reach of other people and outdoors, you can resort to free breathing.
If it is Stroke that causes memory loss.
Brain tissue that has suffered a sudden blackout of blood supply due to a stroke will have to resume its functions by revascularizing. Functions such as attention, language, thinking, or