Engram

An Engram is a form of personality coding in.

Overview
An Engram is a form of coding programed and created by the Arasaka Corporation. Engrams are digital copies of a person's personality and memories that are stored inside Mikoshi. Before Mikoshi existed, engrams were created using a version of the Soulkiller originally designed by Alt Cunningham, the engrams were then stored inside the Arasaka subnets which risked the effects of becoming rogue AI. If they escaped to the Net, they would no longer be considered engrams. Mikoshi allowed the engrams to keep their original forms and persevered the minds of individuals that signed onto the Secure Your Soul program. Engrams can be seen inside Mikoshi and the Arasaka offices, or could also be found on Relic biochips that were inserted into a person's mind. This chip allowed users to speak with their loved one's engrams even after passing.

Engrams could be altered slightly after the copy of the original person is made, however these were reserved for the interrogation process at Arasaka. Altering engrams, even if slightly, was not allowed to the public.