The nurse, caring for a client with post-traumatic stress disorder, needs to realize that memory traces are imprinted and may be:
1. Recalled as a lack of ability to startle.
2. Recalled when the amygdala suppresses stress hormones.
3. Reactivated when there are decreased levels of adrenaline.
4. Reactivated as if the traumatic event were reoccurring.
4. Reactivated as if the traumatic event were reoccurring.
Rationale:
Memory traces are formed when there are high levels of adrenaline and other stress hormones circulating. Each time the traumatic experience is recalled, memory traces are reactivated and intensified as if the traumatic event were reoccurring. It is recalled when the amygdala releases more stress hormones. It may be reactivated when there are increased levels of adrenaline. High levels of corticotrophin-releasing factor increase the startle response.
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