Stage call: Cardiovascular reactivity to audition stress in musicians.
Stage call: Cardiovascular reactivity to audition stress in musicians.
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DOI：
10.1371/journal.pone.0176023
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发表时间：
2017
期刊：
影响因子：
3.7
通讯作者：
Williamon A
中科院分区：
文献类型：
--
作者：
Chanwimalueang T;Aufegger L;Adjei T;Wasley D;Cruder C;Mandic DP;Williamon A
试听是音乐教育和职业生活的中心，与重要的心理生理需求相关。了解这些需求如何影响心血管对社会心理压力的反应，对于制定管理压力和了解最佳性能状态的策略至关重要。为此，我们记录了16位音乐家（11位小提琴手和5位长笛手）在低压力和高压力条件下的表演之前和表演期间的心电图（ECG）：分别在没有观众和试镜小组面前。该分析包括检测ECG中的R峰，以从众所周知的嘈杂的真实世界ECG中提取心率变异性（HRV）。我们的数据分析方法涵盖了标准（时间和光谱）和高级（结构复杂性）技术。复杂性科学的方法，即，多尺度样本熵和多尺度模糊熵，表明HRV的结构复杂性从低到高的压力条件下的统计显着下降，并增加结构复杂性从性能前的性能期间，从而证实了复杂性损失理论和损失的自由度，由于压力。频谱分析的结果还表明，女性参与者的压力反应比男性参与者更受副交感神经驱动。总之，我们的研究结果表明，管理压力的干预措施最好针对敏感的表演前阶段，在试镜开始之前。
Auditioning is at the very center of educational and professional life in music and is associated with significant psychophysical demands. Knowledge of how these demands affect cardiovascular responses to psychosocial pressure is essential for developing strategies to both manage stress and understand optimal performance states. To this end, we recorded the electrocardiograms (ECGs) of 16 musicians (11 violinists and 5 flutists) before and during performances in both low- and high-stress conditions: with no audience and in front of an audition panel, respectively. The analysis consisted of the detection of R-peaks in the ECGs to extract heart rate variability (HRV) from the notoriously noisy real-world ECGs. Our data analysis approach spanned both standard (temporal and spectral) and advanced (structural complexity) techniques. The complexity science approaches—namely, multiscale sample entropy and multiscale fuzzy entropy—indicated a statistically significant decrease in structural complexity in HRV from the low- to the high-stress condition and an increase in structural complexity from the pre-performance to performance period, thus confirming the complexity loss theory and a loss in degrees of freedom due to stress. Results from the spectral analyses also suggest that the stress responses in the female participants were more parasympathetically driven than those of the male participants. In conclusion, our findings suggest that interventions to manage stress are best targeted at the sensitive pre-performance period, before an audition begins.