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Sex hormones and cortisol during experimental trauma memory consolidation: Prospective association with intrusive memories
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Sex hormones and cortisol during experimental trauma memory consolidation: Prospective association with intrusive memories
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Journal Article
Sex hormones and cortisol during experimental trauma memory consolidation: Prospective association with intrusive memories
2022
Overview
Background
Trauma- and stress-related disorders, such as post-traumatic stress disorder (PTSD), are more common in females than in males. Sex hormones affect learning and emotional memory formation and may be associated with the development of PTSD. Most previous studies have indexed these hormones in isolation. Objectives: To investigate associations of sex hormones and cortisol during memory consolidation on the development of intrusive memories. Methods: We employed an experimental trauma film paradigm in 61 healthy women and indexed salivary testosterone, progesterone, estradiol, and cortisol on day one and day two post experimental trauma exposure and their effects on intrusion frequency, distress, and vividness. Intrusive trauma memories were indexed by means of a diary in which participants documented intrusion frequency, distress, and vividness. Results and conclusion: Participants reported an average of 5.3 intrusions over the course of seven days (SD = 4.6, range 0-26). Progesterone, and estradiol indexed on day one predicted intrusion frequency, with higher progesterone and lower estradiol predicting more intrusive memories (p-values AUC progesterone 0.01 and estradiol 0.02). There was no evidence for associations between hormone concentration indices on day two and intrusion outcomes. Further research on the roles of gonadal and adrenal hormones in trauma memory formation is needed to advance our efforts to understand their influence on PTSD development.
We examined effects of sex hormones and cortisol post-experimental trauma on intrusive memories.
Progesterone and estradiol indexed on day one were associated with intrusion frequency.
No significant association between hormones on day two and intrusive memory outcomes emerged
Publisher
Taylor & Francis,Taylor & Francis Ltd,Taylor & Francis Group
Subject
/ cortisol
/ Female
/ Hormones
/ Humans
/ Intrusive emotional memories
/ Male
/ Memory
/ Post traumatic stress disorder
/ Trastorno de estrés postraumático
/ 创伤后应激障碍
/ 巩固
/ 性激素
/ 情绪记忆
/ 皮质醇
/ 闯入性记忆
