Brain

The central processing unit of a Synth is called the Brain. It is a roughly spherical object with multiple prongs protruding from its surface, functioning as plugs. The Synth's brain is firmly plugged into the socket at the back of the Synth's head cavity, where it connects to the neural system of the Synth's frame. The Brain contains the Synth's consciousness, does the majority of computation required to control and power the Frame, processes sensory input, fulfills the role of an interpreter between outside stimuli and perception and is considered to be the most important part of a Synth's body.

Since the mind of a Synth is an emergent property of the physical brain, the descruction or malfunctioning of the brain usually means the death of the Synth. It is therefor protected like no other part of the body, with a dense, thick metal frame surround it to shield it from the outside world.

The inside of a Synth's brain is a closely kept secret of the Outer Rim civilization, with only few specialists having a close understanding of how most of it functions. Every brain specialist within the Outer Rim has specialized knowledge focused on specific parts of the brain, such as processing, memory, stimuli interpretation and neural networking. Large gatherings of of engineers and computer scientists are needed to update the design for future generations of Synths. Such update events however are very rare, since the design has been refined and optimized over the course of centuries and the philosophy of "Never touch a running system" applies.