Intrusive memories
Conditions
Interventions
Participants will be randomly allocated to one of two conditions:
1. Tetris (n=51)
2. Assessments Only (n=51).
The Tetris group will be asked to repeatedly bring the event to mind, while playing Tetris on a computer for 30 minutes. The Assessments Only group will be administered t
Sponsors
Clinical and Health Psychology Utrecht University
Eligibility
Inclusion criteria
Inclusion criteria: 1. Exposure to an event according to the stressor A1 criterion of the DSM IV; (American Psychiatric Association, 1994); 2. The event happened no longer than 24 hours earlier.
Exclusion criteria
Exclusion criteria: Respondents are excluded if they: 1. Are not fully conscious at the time of the intervention; 2. Are severely injured (i.e., physically unable of undergoing the intervention); 3. Are suicidal; 4. Meet the criteria for any of the following DSM-IV diagnoses: psychotic disorders, bipolar disorder, depression with psychotic features, or PTSD.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Frequency of intrusions measured with a structured clinical interview at 1 week after the aversive event. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Vividness and emotionality of intrusions immediately post-intervention, 1 week after the event, and 6 weeks after deployment; 2. PTSD symptom severity at 1 week after the aversive event and 6 weeks after deployment. | — |
Contacts
Public ContactM. Sijbrandij
Heidelberglaan 1
Outcome results
None listed