通过虚拟代理诱导的对话评估的PTSD语音生物标志物的性别差异
Felix Menne1, Louisa Schwed1, Felix Dörr1
1ki:elements GmbH, Saarbrücken, Germany.
Frontiers in psychology
|May 13, 2025
概括
这项研究探讨了创伤后应激障碍 (PTSD) 患者的言语模式中的性别差异. 研究结果显示,男性和女性之间存在明显的声学和语言差异,这对于开发特定性别的数字生物标志物至关重要.
科学领域:
- 精神病学是一个精神病学.
- 计算语言学 计算语言学
- 数字健康数字健康
背景情况:
- 与男性相比,女性患创伤后应激障碍 (PTSD) 的风险更高.
- 自动数字生物标志物正在出现用于精神病学评估,需要考虑性别差异.
研究的目的:
- 在被诊断患有PTSD的个体中调查与性别相关的语言模式的差异.
- 识别男性和女性PTSD之间存在差异的声学和语言特征.
主要方法:
- 利用DAIC-WOZ数据集,包括31名PTSD参与者与虚拟化身之间的对话.
- 从对话记录和音频录音中提取声学和语言特征.
- 进行了群体比较,相关性和线性模型,以分析性别特异的语言差异.
主要成果:
- 在性别之间观察到声学特征的显著差异 (F2频率标准偏差,声与噪声比率).
- 大声标准偏差与男性的PTSD严重性得分相关,但女性没有.
- 相互作用效应显示男性和女性之间对语言和时间特征 (例如,动词短语使用,发言时间) 的对比关联.
结论:
- 在PTSD严重程度的语音表达中,性别特定的变化突出了对比的声学和语言模式.
- 考虑到性别特异性症状呈现对于开发用于PTSD诊断和监测的准确数字语音生物标志物至关重要.
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