AI Article Synopsis
- This study investigates the link between heart rate variability (HRV) and anxiety symptoms in adolescents, discovering that lower HRV is associated with high anxiety levels.
- In the research, high-anxiety and low-anxiety groups of boys and girls were monitored during school activities to assess their cardiac function.
- Findings indicate that, while high-anxiety adolescents showed decreased HRV overall, girls exhibited lower HRV and complexity than boys, highlighting a potential vulnerability for girls in developing anxiety disorders.
Article Abstract
Background And Objectives: Diminished heart rate variability has been found to be associated with high anxiety symptomatology. Since adolescence is the period of onset for many anxiety disorders, this study aimed to determine sex- and anxiety-related differences in heart rate variability and complexity in adolescents.
Methods: We created four groups according to sex and anxiety symptomatology: high-anxiety girls (n = 24) and boys (n = 25), and low-anxiety girls (n = 22) and boys (n = 24) and recorded their cardiac function while they performed regular school activities. A series of two-way (sex and anxiety) MANOVAs were performed on time domain variability, frequency domain variability, and non-linear complexity.
Results: We obtained no multivariate interaction effects between sex and anxiety, but highly anxious participants had lower heart rate variability than the low-anxiety group. Regarding sex, girls showed lower heart rate variability and complexity than boys.
Conclusions: The results suggest that adolescent girls have a less flexible cardiac system that could be a marker of the girls' vulnerability to developing anxiety disorders.
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| http://dx.doi.org/10.1080/10615806.2018.1475004 | DOI Listing |
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