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This study examined 58 heterosexual couples' interacting assumptions about the world and relationship adjustment in predicting wives' posttraumatic stress disorder (PTSD) symptoms after severe flooding. Both partners completed the World Assumptions Scale (Janoff-Bulman, 1989), and wives reported on their intimate relationship adjustment and PTSD symptomatology. Neither husbands' nor wives' assumptions alone predicted wives' PTSD symptoms. However, the interaction of husbands' and wives' benevolent world assumptions significantly predicted wives' PTSD symptoms. When husbands held less benevolent world assumptions, there was a negative association between wives' assumptions and PTSD symptoms. Additionally, wives' relationship adjustment predicted their PTSD symptomatology when taking into account individual and interacting self-worth assumptions. Implications for understanding the role of intimate relationships in postdisaster mental health and interpersonally oriented prevention efforts are discussed. [ABSTRACT FROM AUTHOR]

This study used a prospective design to investigate startle reactivity following trauma exposure. Startle response was evaluated using loud tones during which measures of eyeblink electromyogram (EMG) and heart rate (HR) were collected. Participants were 40 female sexual or physical assault survivors assessed at 1 month and 6 months postassault. There were no significant differences in startle reactivity between posttraumatic stress disorder (PTSD) and non-PTSD groups at the initial assessment. However, at 6 months postassault there was a significantly greater EMG and HR response in the PTSD group as well as a significant increase in startle reactivity from 1 month to 6 months postassault. The findings lend support to a sensitization model of trauma reactivity in which startle response develops over time along with PTSD symptoms. [ABSTRACT FROM AUTHOR]