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The study has two goals. First to develop a computer-based intervention meant to alter cognitive biases that contribute to ongoing PTSD symptoms. Second, we sought to pilot test the intervention in a small sample of veterans for feasibility and acceptability.
Aim 1: Develop Attentional Bias Retraining protocol (Phase 1)
Aim 2: Implement in pilot sample (Phase 2)
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Attentional Bias Retraining | Other | Each participant receives 12 sessions. The first three sessions are baseline (assessment only) sessions. The last four sessions must be treatment sessions. The attentional bias intervention starts randomly on sessions 4 - 8, and continues until the end of the 12 sessions. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Attentional bias retraining | Behavioral | Participants complete a computer-based intervention, which is designed to correct cognitive biases associated with PTSD by training to attend to neutral information rather than the trauma-related cue words. |
| Measure | Description | Time Frame |
|---|---|---|
| Post-traumatic Checklist - Military version (PCL-M) | PCL-M assess the 17-cardinal symptoms of PTSD. | Change from Baseline and Post-treatment (1 month after last training session) |
| Measure | Description | Time Frame |
|---|---|---|
| Attentional bias scores | Attentional bias scores represent participants cognitive bias to orient towards trauma-relevant information more quickly than neutral information. | Change from Baseline and Post-treatment (1 month after last training session) |
| Measure | Description | Time Frame |
|---|---|---|
| Daily of PTSD symptoms, specifically hyperarousal and intrusive symptoms (nightmares, reenactments, and triggered and untriggered recall) | Participants filled out daily symptom log nightly | Change from Baseline and Post-treatment (1 month after last training session) |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Margaret-Anne Mackintosh, PhD | National Center for PTSD/PHREI | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Center for PTSD | Honolulu | Hawaii | 96819 | United States |
There is no plan to share individual participant data
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| ID | Term |
|---|---|
| D013313 | Stress Disorders, Post-Traumatic |
| ID | Term |
|---|---|
| D040921 | Stress Disorders, Traumatic |
| D000068099 | Trauma and Stressor Related Disorders |
| D001523 | Mental Disorders |
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The transition point from the assessment only version of the attention bias program to the retraining/ bias correction version was randomized at the participant level and occurred between weeks 4 and 7 of the 10-week study.
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