Trauma responses are the ways in which the brain and body cope with traumatic stress so that it can function. Sometimes the trauma brain needs to consolidate energy so that it has the best chance of making it through difficult spots.
My first car was a 1984 Toyota Tercel that absolutely could not climb a hill and also run the air conditioning without overheating.
Even with the AC off, downshifted and gas pedal to the floor, it could barely make the climb over humble grades. Trauma brains are stronger than my Toyota, but similarly, their modifications help streamline focus to the most essential task of survival.
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