声音的基本频率作为潜在的压力生物标志物:系统性审查和元分析
Diogo de Lacerda Veiga1,2, Thales Marcon Almeida1,2, Ricardo Riyoiti Uchida1,2
1Mental Health Department, Santa Casa de Sao Paulo School of Medical Sciences, São Paulo, Brazil.
概括
压力显著增加了语音基本频率 (F0),特别是在女性和自发言语期间. 然而,出版偏差表明这种效应可能并不显著,因此需要进一步研究.
科学领域:
- 心理学 心理学 心理学
- 语言学的语言学.
- 生物医学工程 生物医学工程
背景情况:
- 压力会影响喉肌肉的功能,改变声乐的产生.
- 现有的关于压力和语音声学的研究缺乏系统的合成.
- 声音基本频率 (F0) 是一种潜在的压力指标.
研究的目的:
- 系统地审查和分析关于压力对语音基本频率 (F0) 影响的实验研究.
- 评估压力对F0的整体影响,并探索缓和因素.
- 评估F0作为潜在的非侵入性生物标志物用于压力评估.
主要方法:
- 在PubMed和Scopus (2010-2024) 中按照PRISMA指南进行系统的文献搜索.
- 使用随机效应模型对10项研究 (1148项观察) 的元分析.
- 基于性别,语音类型和压力诱导方法的子组分析.
主要成果:
- 总体而言,压力后F0显著增加 (SMD = 0.5504),具有相当大的异质性 (I2 = 69.2%).
- 观察到出版偏差;修剪和填充分析使得效应无意义 (SMD = 0.1710).
- 在女性和自发发言过程中发现的F0增加更强;对于自然主义压力因素的影响更大.
结论:
- 声基本频率 (F0) 显示出作为一种非侵入性压力生物标志物的潜力.
- 发表偏见和异质性需要谨慎地解释研究结果.
- 为了验证,还需要使用标准化协议进行进一步的大规模前性研究.
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