The role of evaluative learning in the development and persistence of posttraumatic stress disorder

The role of evaluative learning in the development and persistence of posttraumatic stress disorder - Evaluative learning and posttraumatic stress

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON34729

Enrollment

180

Registered

2010-08-30

Start date

2010-12-13

Completion date

Unknown

Last updated

2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Posttraumatic Stress Disorder (PTSD)

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Study 1 (Danger and disgust-associations after burglary): 100 healthy participants; a) adult (* 18 years); b) Dutch fluency; c) exposed to burglary in own home without confrontation; and d) burglary occurred not more than one month earlier. Study 2 (Danger and disgust-associations after assault): 80 participants; a) adult (* 18 years); b) Dutch fluency; c) having experienced sexual or physical assault by a male perpetrator at least 3 months earlier and after the age of 14 (this age is typically used to distinguish childhood and adulthood in studies of abuse; see e.g., Linton et al., 1996), of whom 40 participant with d) PTSD diagnosis for PTSD group (N

Exclusion criteria

Exclusion criteria: For study 1 (Danger and disgust-associations after burglary), there are no exclusion criteria. Exclusion criteria for study 2 (Danger and disgust-associations after assault) are: a) assault in childhood (

Design outcomes

Primary

Measure	Time frame
The main outcome is PTSD symptom severity assessed with a questionnaire.	—

Secondary

Measure	Time frame
Secondary outcome variables in both study 1 and 2 are anxiety and depression symptoms assessed with questionnaires, and past and present DSM IV psychiatric disorders assessed with semi-structured interviews. Study 2 also uses rinsing behaviour after trauma-related imagery and physical intimacy as a secondary outcome variable. In both studies, independent variables include fear-related vulnerabilities (neuroticism, anxiety sensitivity), disgust-related trait vulnerabilities (disgust propensity and sensitivity, contamination sensitivity), disgust/fear-related associations, and affective priming.	—

Measure

Time frame

Secondary outcome variables in both study 1 and 2 are anxiety and depression symptoms assessed with questionnaires, and past and present DSM IV psychiatric disorders assessed with semi-structured interviews. Study 2 also uses rinsing behaviour after trauma-related imagery and physical intimacy as a secondary outcome variable. In both studies, independent variables include fear-related vulnerabilities (neuroticism, anxiety sensitivity), disgust-related trait vulnerabilities (disgust propensity and sensitivity, contamination sensitivity), disgust/fear-related associations, and affective priming.

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Countries

Netherlands

Outcome results