Intrusive and Repetitive Thought after Stress: A Replication Study

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Abstract
A hypothesis of increased intrusive and repetitive thought after stress was based on clinical observations of post-traumatic syndromes. 21 Navy enlisted men were divided into independent groups: half saw a stressful film, half a neutral film after a shared baseline period. The stress group had significantly higher levels of intrusive thought in the post-film period as measured by both content analysis and self-rating techniques, and significantly higher levels of stimulus-repetitive and task-irrelevant thought as measured by content analysis of introspective reports.