Dissociative subtype of PTSD | Hyperaroused PTSD | |
Etiology | Likely to be more severe, chronic, repeated, usually childhood and adult trauma | Likely to be later-occurring trauma and/or less cumulative trauma |
Likely response when presented with traumatic narrative or triggers | Dissociation, numbing | Terror |
Decreased, blunted autonomic arousal | Increased autonomic arousal | |
Decreased heart rate | Increased heart rate | |
Cortisol release is delayed | Rapidly increased cortisol level | |
Decreased skin conductance | Increased skin conductance | |
Brain areas activated that may over-control emotion and alter sense of self (eg, MPFC) | Brain areas activated that may under-control emotion |
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