Remembrance is not happening in the brain. The hardware or storage is the brain bit the processing happens due to the operating system of the life atom.
Studying the atomic structure of the life atom or soul and the functioning explains the infinite potential the hardware that is the brain has.
ISoul or life atom has endless capacity to churn out thoughts aspirations and desires which are then processed in the brain and communicated to the physical senses. Experiencing happens in the life atom and the sensory organs and the brain play their role in collecting and processing the senses.
Every human being has the same potential of understanding the complete knowledge of existence and his purpose of life.
Now that this knowledge has been made available and a few thousand people are living their lives based on that knowledge there is a real chance of that knowledge reaching the whole human Race.