By Anders Sandberg, for The Core faction.
This augmentation consists of an surgically inserted computer which replaces part of the skull (or brain). Its highly advanced, and connects to the mind of the user like the Mental Link. It can transmit information, control the emotions of the user and give mental help (like Mind 1). It is often combined with a Computer Link (which will not be treated as a Talisman then, since its just some more hardware).