In "exhalation," what is the narrator's initial belief about memory?

Memories are stored as a series of gear rotations and switches ... your welcome

I believe the answer is: memory is stored in the golden pages of the brain

According to the narrator's initial assumption, all of the memory that we keep inside our head would be recorded in one giant list,

There are studies which shows that when we exhale, the part of our brain that store memory show less stimulation compared to when we inhale.