There are Two Schools of Thought on how to Improve Memory
I see two approaches to the problem of improving memory.
The first, I call the Arnie Schwarzenegger approach because it advocates exercises and drill to make physical changes in body structure.
If I need to change the tire on my car, for example, I could choose, like Arnie, to build my body so I could lift the car up with my left hand while I change the tire with my right.
(Please be advised the the picture in the illustration in the graphic version is NOT Dr. Hall but in reality Arnie Schwarzenegger.)