The article described in layman’s terms how problems with short term memory are directly related to the region of the brain known as the hippocampus; and, how when this brain region stops functioning properly a person losses their ability to store information.
A person suffering from Alzheimer’s disease can hear you and even respond to you. What they don’t do well is remember what the hell you just said. Well, in layman’s terms anyway.
I grappled with this problem several years ago as I was constructing my own understanding of how Dotty was thinking (or not thinking) and feeling. I named the parallel universe that Dotty lives in — Alzheimer’s World.