Your heart might give away your emotions

David Kristian Laundav, Camilla Birgitte Falk Jensen, Per Baekgaard, Michael Kai Petersen, J. E. Larsen
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引用次数: 1

Abstract

Estimating emotional responses to pictures based on heart rate measurements: variations in Heart Rate serves as an important clinical health indicator, but potentially also as a window into cognitive reactions to presented stimuli, as a function of both stimuli, context and previous cognitive state. This study looks at single-trial time domain mean Heart Rate (HR) and frequency domain Heart Rate Variability (HRV) measured while subjects were passively viewing emotionally charged images, comparing short random presentations with grouped sequences of either neutral, highly arousing pleasant or highly arousing unpleasant pictures. Based on only a few users we were not able to demonstrate HRV variations that correlated with randomly presented emotional content due to the inherent noise in the signal. Nor could we reproduce results from earlier studies, which based on averaged values over many subjects, revealed small changes in the mean HR only seconds after presentation of emotional images. However for longer sequences of pleasant and unpleasant images, we found a trend in the mean HR that could correlate with the emotional content of the images. Suggesting a potential for using HR in single user Quantified Self applications to assess fluctuations over longer periods in emotional state, rather than dynamic responses to emotional stimuli.
你的心可能会泄露你的情绪
根据心率测量估计对图片的情绪反应:心率的变化是一项重要的临床健康指标,但也可能作为对呈现刺激的认知反应的窗口,作为刺激、环境和先前认知状态的函数。这项研究着眼于单次试验的时域平均心率(HR)和频域心率变异性(HRV)测量,当受试者被动地观看充满情绪的图像时,比较短的随机呈现与分组序列的中性,高度唤起的愉快或高度唤起的不愉快的图片。仅基于少数用户,由于信号中的固有噪声,我们无法证明HRV变化与随机呈现的情感内容相关。我们也无法重现早期研究的结果,这些研究基于许多受试者的平均值,揭示了在呈现情绪图像后几秒钟内平均HR的微小变化。然而,对于较长的愉快和不愉快的图像序列,我们发现平均HR的趋势可能与图像的情感内容相关。建议在单用户量化自我应用中使用人力资源来评估情绪状态在较长时间内的波动,而不是对情绪刺激的动态反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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