PTSD.
a. exposure to trauma
b. re-experiencing: intrusive memories, nightmares, etc. (1 or more)
c. avoidance: avoiding the physical situation, amnesia, something something (3 or more)
d. arousal: insomnia, anger, irritability etc. (2 or more)
e. symptoms after one month of traumatic experience.
f. causing distress or impairment.
Acute Stress Disorder.
- similar symptoms to PTSD but occurring within one month of trauma.
theories.
cognitive:
a. info processing model: form fear networks, many things can activate this network, resulting in symptoms of arousal, avoidance, reexpereincing and attempts to avoidance.
i. feared situation stimulus.
ii. I FORGOT. physiological and behavioural responses.
iii. meaning.
b. cognitive appraisal model:
i. negative appraisals.
ii. nature of memory and link to other autobiographical memories.
ehlers & clark.
once activated, perception of current threat is accompanied by intrusions and other reexperiencing symptoms, arousal, avoidance.
perceived threat also motivates behavioural and cognitive responses to designed to prevent perceived threat.
paradox of memory.
have trouble retrieving complete memory.
causes:
- proximal cause: event.
- distal cause: research suggesting that there are biological and psychological vulnerabilities to ptsd.
treatment.
- csid/cisd: critical incident stress debriefing????. not effective, might worsen situations.
- CBT:
a. prolonged imaginal exposure: exposed to memories.
b. in vivo exposure: exposured to real life.
c. cognitive therapy.
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