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Respiratory sinus arrhythmia responses to induced emotional states: Effects of RSA indices, emotion induction method, age, and sex

机译:呼吸性窦性心律不齐对诱发情绪状态的反应:RSA指数,情绪诱发方法,年龄和性别的影响

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摘要

The literature shows large inconsistencies in respiratory sinus arrhythmia (RSA) responses to induced emotional states. This may be caused by differences in emotion induction methods, RSA quantification, and non-emotional demands of the situation. In 83 healthy subjects, we studied RSA responses to pictures and film fragments eliciting six different discrete emotions relative to neutral baseline stimuli. RSA responses were quantified in the time and frequency domain and were additionally corrected for differences in mean heart rate and respiration rate, resulting in eight different RSA response measures. Subjective ratings of emotional stimuli and facial electromyographic responses indicated that pictures and film fragments elicited the intended emotions. Although RSA measures showed various emotional effects, responses were quite heterogeneous and frequently nonsignificant. They were substantially influenced by methodological factors, in particular time vs. frequency domain response measures, correction for changes in respiration rate, use of pictures vs. film fragments, and sex of participants.
机译:文献显示呼吸窦性心律不齐(RSA)对诱发的情绪状态的反应存在很大的不一致。这可能是由于情感诱导方法,RSA量化和对情境的非情感要求方面的差异引起的。在83位健康受试者中,我们研究了RSA对图片和电影片段的反应,这些反应引起相对于中性基线刺激的六种不同的离散情绪。在时域和频域中对RSA响应进行量化,并针对平均心率和呼吸频率的差异进行校正,从而得到八种不同的RSA响应度量。情绪刺激和面部肌电图反应的主观评价表明,图片和电影片段会引起预期的情绪。尽管RSA措施显示出各种情绪影响,但反应却异质且常常无意义。它们很大程度上受到方法论因素的影响,特别是时域对频域响应的测量,呼吸速率变化的校正,图片对胶片碎片的使用以及参与者的性别。

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