Estradiol Moderates the Relationship Between State-trait Anxiety and Attentional Bias to Threat in Women PDF Free

Estradiol Moderates the Relationship Between State-trait Anxiety and Attentional Bias to Threat in Women PDF
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Published on 2018 by

Highlights: No sex differences in attention bias (TBI) were found. Estradiol moderated the relationship between state-trait anxiety and TBI. TBI and state-trait anxiety were negatively related in women with low estradiol. TBI and state-trait anxiety were positively related in women with high estradiol. Identical patterns were found for the relationship between DASS scores and TBI. Abstract: Anxiety disorders are characterized by impaired fear extinction and heightened attentional allocation to threatening stimuli. The sex hormones estradiol and progesterone modulate fear extinction in female rats and women; whether these hormones are similarly related to attentional biases to threat has not been examined. In the present study 74 women (53 cycling, 21 using hormonal contraception), and a comparison group of 30 men, completed standard assessments of state-trait anxiety, as well symptoms of depression, anxiety and stress, followed by a computerized assessment of attentional bias, the dot-probe task. Women's endogenous estradiol and progesterone levels were ascertained by a blood sample. No differences in attentional bias were found dependent on sex or hormonal contraceptive use. Estradiol was the only variable measured that was independently positively correlated with attentional bias to threat. Regression analyses revealed a bi-directional relationship between state-trait anxiety, symptoms of anxiety and stress, and attentional bias that was moderated by estradiol, such that a positive relationship was observed amongst women with higher estradiol, and a negative relationship was observed amongst women with lower estradiol. Together, these results indicate that under conditions of anxiety and stress, women may attend to threat differently depending on endogenous estradiol levels, being avoidant when estradiol is lower, and vigilant when estradiol is higher. A more nuanced understanding of the role for attention in anxiety disorders amongst women may be developed by taking hormonal status into consideration.

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