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NCT05558527NARecruitingAccepts Healthy Volunteers

The Social Regulation of Threat-related Vigilance and Arousal

University of Nevada, Reno

Start Date

12/18/2025

Completion Date

12/1/2029

Summary

This study will examine the effects of social support on threat vigilance and arousal using eye tracking. We will also test the moderating effects of trauma and discrimination history.

Detailed Description

Both interpersonal trauma (IPT) and ethno-racial discrimination amplify risk for hyper-arousal symptoms of posttraumatic stress disorder (PTSD), but the mechanism of this effect is unclear. Prior research suggests that social support plays an important role in regulating emotional responses, a process called social emotion regulation. This study will test whether a history of IPT and/or ethno-racial discrimination influence the social regulation of arousal and vigilance. Social regulation will be tested by contrasting responses under conditions with and without social support.

Eligibility Criteria

Age Range: 18 years to 65 years

Inclusion Criteria: * In a stable romantic relationship for 6 months or more * Normal vision or corrected-to-normal vision * Fluent in English Exclusion Criteria: * If vision is corrected-to-normal, needs to use hard contact lenses, bifocal contact lenses, or glasses * Experienced a traumatic event within the past 4 weeks

Interventions

BEHAVIORAL

social support

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Conditions

Psychological Trauma, HistoricalDiscrimination, RacialEmotion RegulationSocial InteractionHypervigilanceAnxiety

Locations

University of Nevada, Reno

Reno, Nevada 89557

United States