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==Overview== | ==Overview== | ||
The process of Cognitive Impression Modeling is carried out using a device known as the AI Matrix Compiler, the most recent model of which was designed by Dr. | The process of Cognitive Impression Modeling is carried out using a device known as the AI Matrix Compiler, the most recent model of which was designed by [[Dr. Catherine Halsey]].<ref name="compiler">'''Halo 4''', campaign level ''[[Composer (level)|Composer]]'' ([[Halo 4 audio logs#Halsey's observations|Audio log]])</ref> The compiler sends electric bursts through the neural pathways of a [[human]] brain which are then replicated in a superconducting [[nano-assemblage]],<ref name="tfor235">'''[[Halo: The Fall of Reach]]''', ''pages 235-236'' (2001)</ref> generating a virtual neural network known as the [[Riemann matrix]]—effectively the AI's "brain". The human neural map provides only an initial seed for the AI's mind; within moments of its creation, the budding construct will rewrite the neural map into a superior system. This is one of the drawbacks of smart AI creation; initiation time is wasted for the AI by creating the first neural linkages, each of which gradually erodes the AI's limited lifespan.<ref name="journal may 3">'''[[Dr. Halsey's personal journal]]''', ''May 3, 2526''</ref> | ||
The ultra-deep personality scan utilized in the Cognitive Impression Modeling process destroys the original brain;<ref name="journal mar 21">'''Dr. Halsey's personal journal''', ''March 21, 2549''</ref> as such, it is only legal to use the brains of the recently deceased.{{Ref/Reuse|tfor235}} These brains are typically acquired from voluntary donors.{{Ref/Reuse|journal mar 21}} In the case of the AI [[Cortana]], however, the candidate brain was [[flash cloning|flash cloned]] and the host's memories transferred, so that the host, in this case [[Catherine Halsey|Doctor Catherine Halsey]], could remain alive. However, this is extremely inefficient, both from the degeneration of the flash clones and the high rates of schizophrenia and dementia resulting from the memory transfer process. Out of Dr. Halsey's twenty cloned and enhanced brains, only two of them were sufficient and without deformity.{{Ref/Reuse|tfor235}} Cortana is the only human AI known to have been created this way. Because Dr. Halsey was still alive, Cortana, nearing the end of her lifespan, believed her matrix may be rebuilt using Halsey's neural map,{{Ref/Level|H4|[[Requiem (level)|Requiem]]}} though it was uncertain whether this would actually "cure" her or simply overwrite her personality with a new one.{{Ref/Level|Id=Composer|H4|[[Composer]]}} Halsey later had her remaining cloned brains, which were revealed to be three despite only two out of twenty having supposedly survived, [[Operation: WOLFE|retrieved]] from a secret cryovault in the ruins of CASTLE Base.{{Ref/Novel|SoR}} Using these brains, Halsey was able to create [[the Weapon]], described as an exact copy of Cortana with all of the same systems and routines but scrubbed of any information that could potentially compromise her. This enabled her to impersonate Cortana and fool her security systems on [[Installation 07]]. In her final message to the [[John-117|Master Chief]], Cortana called the Weapon "another Cortana model,"{{Ref/Game|Id=Hi|Hi}} echoing her words to him while warning him that curing her may not result in Cortana being the same afterwards.{{Ref/Reuse|Composer}} However, this was a joking greeting by Cortana rather than possibly a serious statement.{{Ref/Reuse|Hi}} | The ultra-deep personality scan utilized in the Cognitive Impression Modeling process destroys the original brain;<ref name="journal mar 21">'''Dr. Halsey's personal journal''', ''March 21, 2549''</ref> as such, it is only legal to use the brains of the recently deceased.{{Ref/Reuse|tfor235}} These brains are typically acquired from voluntary donors.{{Ref/Reuse|journal mar 21}} In the case of the AI [[Cortana]], however, the candidate brain was [[flash cloning|flash cloned]] and the host's memories transferred, so that the host, in this case [[Catherine Halsey|Doctor Catherine Halsey]], could remain alive. However, this is extremely inefficient, both from the degeneration of the flash clones and the high rates of schizophrenia and dementia resulting from the memory transfer process. Out of Dr. Halsey's twenty cloned and enhanced brains, only two of them were sufficient and without deformity.{{Ref/Reuse|tfor235}} Cortana is the only human AI known to have been created this way. Because Dr. Halsey was still alive, Cortana, nearing the end of her lifespan, believed her matrix may be rebuilt using Halsey's neural map,{{Ref/Level|H4|[[Requiem (level)|Requiem]]}} though it was uncertain whether this would actually "cure" her or simply overwrite her personality with a new one.{{Ref/Level|Id=Composer|H4|[[Composer]]}} Halsey later had her remaining cloned brains, which were revealed to be three despite only two out of twenty having supposedly survived, [[Operation: WOLFE|retrieved]] from a secret cryovault in the ruins of CASTLE Base.{{Ref/Novel|SoR}} Using these brains, Halsey was able to create [[the Weapon]], described as an exact copy of Cortana with all of the same systems and routines but scrubbed of any information that could potentially compromise her. This enabled her to impersonate Cortana and fool her security systems on [[Installation 07]]. In her final message to the [[John-117|Master Chief]], Cortana called the Weapon "another Cortana model,"{{Ref/Game|Id=Hi|Hi}} echoing her words to him while warning him that curing her may not result in Cortana being the same afterwards.{{Ref/Reuse|Composer}} However, this was a joking greeting by Cortana rather than possibly a serious statement.{{Ref/Reuse|Hi}} | ||
