定量物理-生理学关系建模人类对舒音乐的情绪反应
Frontiers in psychology
|October 23, 2024
概括
这项研究揭示了音乐感知中的定量物理-生理关系 (QPPR). 节奏显著影响情绪反应,年龄和性别等个人因素也在音乐如何影响听众方面发挥着关键作用.
科学领域:
- 神经科学和音乐认知
- 精神声学和情感科学精神声学和情感科学
- 审计研究中的计算统计学
背景情况:
- 音乐感知涉及复杂的神经生理过程,将声学特性与情绪反应联系起来.
- 拟议一个定量物理-生理关系 (QPPR) 框架来建模这种联系.
- 来自舒地区的传统中国音乐被选中用于对听众反应的系统分析.
研究的目的:
- 系统地分析音乐的声学特征与人类情绪反应之间的关系.
- 开发和验证一个统计模型来预测音乐引起的情绪变化.
- 识别影响音乐与听众互动的关键音乐元素和个人属性.
主要方法:
- 收集了从18名受试者收听86种音乐样本的受试者对样本的反应 (SSTSR) 概况,测量了"冷静"作为情绪指标.
- 采用随机森林 (RF) 回归用于多变量统计相关性分析,将其与支持向量机 (SVM) 和部分最小方程 (PLS) 进行比较.
- 通过使用相关系数 (r2) 评估模型适合性,概括性和外包可预测性.
主要成果:
- 射频模型表现出强大的性能,具有高匹配 (r2=0.857),一般化 (r2=0.712) 和可预测性 (r2=0.731),表现优于SVM和PLS.
- 节奏被确定为情绪反应的重要贡献者,比音色和音调更重要.
- 个人差异,特别是性别和年龄,被发现是影响听众反应的重要因素.
结论:
- 开发的基于射频的QPPR方法有效地解释和预测对音乐的情绪反应.
- 音乐的物理声学与听众的生理反应之间存在着重要的联系.
- 音乐节奏和个体特征是音乐对情感影响的关键决定因素.
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