Ready et al (abnormal + cog) Flashcards

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1
Q

Aim

A

To compare the effectiveness of VRET and PCT in Vietnam veterans with PTSD.

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2
Q

Procedure

A
  • 11 male Vietnam vet participants (6 VRET, 5 PCT)
    VRET: ten 90-minute sessions
    - Experienced one of two scenarios, whichever most strongly replicated their experience, participants rated their distress every 5 minutes
    - Therapist had control over stimuli in the VR, they adjusted it to correspond with stress-level of participant (reducing when overwhelmed, increasing when not engaged)
    - Participants also asked to listen to audio recordings of the scenario daily
  • PCT: ten 90-minute sessions
    - Avoided talk of trauma, focused on solving problems “here and now”
  • Measures were taken pre and post treatment, 6 month follow-up including a CAPS score
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3
Q

Findings

A
  • Mean CAPS score reduced by approx 25 points for PCT group at post-treatment
  • Mean CAPS score reduced by approx 30 points for the VRET group at post-treatment
  • Differences were not significant due to small sample size
  • Provides some support for both treatments, VRET appearing to be more effective then PCT, but statistically not significant
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4
Q

Limitations

A
  • Sample size (ended with 9 participants) – Nothing statistically significant found
  • Resistance from vets to participate (thought VR would be too overwhelming), could be connected to age (lack of comfort with computers)
  • No mention of drug therapy (could have an influence)
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5
Q

Ethical Considerations

A
  • Informed Consent
    - Important to let participants know when treatments are not recommended
    - PCT is still underdeveloped
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6
Q

Research Method

A

Experiment (lab or true)

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