Simulated personality created from external data rather than by direct neural upload
Image from Bernd Helfert
In the Interplanetary age simulated personalities were regularly created using large databases of information about the individual concerned, sometimes derived from accumulated evidence such as audiovisual recordings or other historical evidence, or from their own diaries or lifelog. Artificial personalities of this sort were known as simulacra, or Simms.
When Direct Neural Interfacing began to allow the creation of extensive external mental processors (known as exoselves), some individuals attempted to use this technology to create full copies of the original by uploading as much information as possible to the exoself personality via their DNI linkage. Since the data stored by the exoself could be easily copied, this data could be used to construct a remarkably accurate description of the individual's personality.
These attempts at detailed copying became known as Evocations and were considerably more accurate than the early simm copies of a few decades before. However detailed analysis of the evocation's memories and personality would eventually reveal significant differences, along with a lack of metacognition and sophonce, so evocation was not widely accepted as a true method of uploading a person from a biological to an electronic state.
In the modern era sophont evocations of deceased or distant persons are sometimes produced when a true upload is not available or possible. By extracting data from the exoself database a reasonable copy of the original person can be created; sometimes after an accident or other incident the exoself is all that remains of an individual, and an evocation created from that exoself may be produced for various purposes. In many cases, the exoself will retain a copy of a recent scion, which is a partial copy of the sophont concerned which has been used to travel elsewhere in order to gather information, or to act as a messenger.
Most evocations take the form of charactervots, entities which can simulate the behaviour of sophonts without having true sophonce; some are created as true sophonts, and these are generally known as charactervecs. Since they are real people rather than simulacra, charactervecs have full sophont rights and free will, and can self-modify themselves if they wish to become something new.