Key result
Low attentional control and reduced parasympathetic tone were significant predictors of high trait anxiety and interacted to influence self-rated negative affect.
Cross-Sectional (n=119)
Attentional control and parasympathetic tone act as regulatory mechanisms related to self-rated estimates of negative affect and trait anxiety in undergraduate students.
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May not alter anxiety care; hypothesis-generating for regulatory mechanisms in nonclinical samples.
In this study, the author examines the effect of attentional control and heart-period variability on measures of negative affect and trait anxiety in undergraduate students. Baseline heart rate was recorded from 119 participants within a laboratory setting. Spectral analysis was used on the heart-rate data to isolate the parasympathetic contribution to the cardiac pattern. Participants completed measures of negative affect, attentional control, and trait anxiety following the recording of heart rate. Regression analysis indicated that high negative affect, low attentional control, and reduced parasympathetic tone were significant predictors of high trait anxiety. Subsequent regression analysis pointed toward the interaction of attentional control and parasympathetic tone in influencing self-rated measures of negative affect. Results highlight the importance of attentional control and parasympathetic tone as regulatory mechanisms related to self-rated estimates of negative affect and trait anxiety.
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Brian Healy (2010) reported a cross-sectional. Attentional control and heart-period variability was evaluated on Trait anxiety and negative affect. Low attentional control and reduced parasympathetic tone were significant predictors of high trait anxiety and interacted to influence self-rated negative affect.
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