It is hypothesised that as subjects increase their mental capacities, the mental inhibitors that are initially present in Valkyries allowing for perceived normal communications with other humans are eroded. Significant numbers of higher compatibility subjects appear to subconsciously lose patience when talking with unaugmented humans. Analysis of surveillance and network recordings show a preference in subjects of engaging in multiple conversations simultaneously, whereas one to one individual conversations in non-intimate settings have a tendency to quickly bore the Valkyrie, who then often begins performing other tasks in parallel.
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Only in the higher ranking Aces, those within the top six hundred as ranked by combat ability score, do the issues become common and severe enough to manifest as Combat Induced Empathy Loss-Detachment Syndrome (CIEL-DS), known as Valkyrie Syndrome (VS) in short.
Externally, VS shares syndromes similar to Asperger's, detachment syndrome and DPD, but in especially severe cases, subjects exhibit many hallmarks of classic psychosis. Subjects have been recorded as expressing overt disdain and disregard for social norms, especially in regards to relationships and alarmingly, a lack of self awareness or empathy relating to how their actions may be perceived by their surrounding society. When questioned, such subjects will fall upon rationalisations for their behaviours. However, unlike classical psychosis, such rationalisations are almost exclusively built upon statistical and economic notions of rationality. There are no deferrals to motivation or perceptions of moral justification, only quantifiable cost-benefit and efficiency arguments.
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… show no signs of disliking humans individually or humanity as a whole, however, subjects suffering from VS do not appear to feel much love for humanity either. While empathy tests are usually passed, ethics hypotheticals are typically resolved without particular consideration of the hypothetical humans past that of a nebulous 'cost factor', which takes enough corresponding consequences into account that attempting to equalise the cost factor could baffle a normal citizen for days on end…
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… Onset of VS appears affected by the age at which the subjects begins synchronisation with the Valkyrie Core. VS is unknown amongst first generation Valkyries, including every member of The Twenty, but common amongst second generation Aces after one year of service and near endemic for third generation Aces after one year of service. One proposed hypothesis puts forth that as adolescents possess a more malleable mental framework and lesser amounts of ordered information within their memories, the informational complexity of the human brain is reduced. This thus reduces the amount of time required to integrate the pilot into the frame, which has profound effects on the human ego as shown in the Guramann study.
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… as a possible defensive mechanism against traumatic stress. Normal human mental processes allow for the easing of mental trauma through the natural recontextualisation of events through successive recalls and influence from surrounding environment during such recalls. For Valkyries however, due to the perfect recall displayed by many higher ranked Valkyries, it is evident that Valkyries do not naturally recover from mental trauma the way that humans generally would. In this case then, the development of Valkyrie Detachment Syndrome may be a coping method…
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… Thus, in the stress of war, it is likely that many young, high ranking Aces analysed themselves in the face of death, devastation and deprivation of a like that humanity has not faced since Impact. They judge their own reactions, their gut feelings and passions, against the actions necessary for improvement, for success, for victory.
They have found themselves… wanting.
- Excerpts from [Redacted. Top secret; Classification schema Red Five October Ninth], by [Redacted], published 1st January 58PI
-"We are holding a snake to our chest to ward off a wolf."
- [Redacted]