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Originally posted by Novagrass:
It's actually the amygdala. It's part of the limbic system (the part of the brain that controls basic emotions like fear, pain, pleasure, anger, sexual arousal, etch...). The amygdala helps in the process of memory by converting new information into long term memories.

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Since River has had her amygdala removed, these strong emotion-based memories wouldn't be stored long term. SO, it could be that River remembers long term the less emotional information (like the events that have thus happened aboard the Serenity), but the very emotional (scary, painful, ect...) events (like her torture/expermientations at the Academy) that would usually be interpreted by the amygdala bypass any sort of long term memory retention devices in the brain.... she can't remember anything they did to her because they're emotionally charged events, and since she has no way to interpret that information (i.e. no amygdala) she cannot remember it long term.

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Originally posted by Sensou:
...so she would have different "triggers" like ape-men in tight shirts?

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What if the people who did this to her are actually some other organization, and they've intended for River to have this reaction to Blue Sun...?

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