Postural and cardiorespiratory responses to emotionally-laden whole-body expressions

IF 2.9 3区心理学 Q2 BEHAVIORAL SCIENCES

Behavioural Brain Research Pub Date : 2026-04-12 Epub Date: 2026-01-16 DOI:10.1016/j.bbr.2026.116049

Mariana Rodrigues Alves , Anaelli Aparecida Nogueira-Campos , Adriana Ribeiro de Macedo , Angela Nogueira Neves , Talita P. Pinto , Fabio Vieira dos Anjos , Claudia Domingues Vargas , Luis Aureliano Imbiriba

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Abstract

Postural and autonomic adjustments are commonly described during the observation of emotional stimuli. Thus, this study investigated the physiological impact of emotional images viewing revealed by whole-body expressions. Body sway and cardiorespiratory signals were recorded in thirty-nine healthy young people who maintained an upright stance while observing 20 neutral, 20 happiness (positive) or 20 anger (negative) images from the Bodily Expressive Action Stimulus Test (BEAST) database. Participants rated each image considering their valence and arousal dimensions with the Self-Assessment Manikin. Additionally, emotional recognition level was rated using a three alternative-forced-choice task (happiness, anger, and neutral). A repeated-measures one-way analysis of variance (ANOVA) was used to compare the main physiological variables among emotionally-laden blocks. Valence statistically differed among blocks. The emotional recognition rate was above 70 % for all blocks. There was a significant decrease in body sway area during the observation of anger whole-body expressions compared to the neutral and happiness ones. The mean power frequency in the medial-lateral axis showed a significant increase during viewing anger images compared to the neutral one. Further, there was a significant increase in the heart rate variability during observation of anger whole-body expressions compared to the happiness one. These findings revealed physiological adjustments in the observer while viewing whole-body expressions consistent with the emotional processing experience. Therefore, the observation of images depicting anger whole-body expressions led to postural and autonomic changes in agreement with defensive responses (”postural immobility”).

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对充满情绪的全身表达的姿势和心肺反应。

在观察情绪刺激时，体位和自主调节通常被描述。因此，本研究探讨了全身表情所揭示的情绪图像观看的生理影响。研究人员记录了39名健康的年轻人的身体摆动和心肺信号，他们保持直立姿势，同时观察来自身体表达动作刺激测试（BEAST）数据库的20张中性、20张快乐（积极）或20张愤怒（消极）图像。参与者用自我评估模型对每张图片进行评价，考虑它们的效价和唤醒维度。此外，情绪识别水平是通过三个备选强迫选择任务（快乐、愤怒和中立）来评定的。采用重复测量单因素方差分析（ANOVA）比较情绪负荷组的主要生理变量。不同块间的价态差异有统计学意义。所有街区的情绪识别率均在70%以上。在观察愤怒的全身表情时，与观察中性和快乐的全身表情相比，观察愤怒的全身表情时，身体摆动面积显著减少。与中性图像相比，在观看愤怒图像时，中-外侧轴的平均工频显著增加。此外，在观察愤怒的全身表情时，心率变异性比观察快乐的全身表情时显著增加。这些发现揭示了观察者在观察与情绪处理经验一致的全身表达时的生理调整。因此，观察描绘愤怒的全身表情的图像导致与防御反应一致的姿势和自主神经变化（“姿势不动”）。

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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来源期刊

Behavioural Brain Research 医学-行为科学

CiteScore

5.60

自引率

0.00%

发文量

383

审稿时长

61 days

期刊介绍： Behavioural Brain Research is an international, interdisciplinary journal dedicated to the publication of articles in the field of behavioural neuroscience, broadly defined. Contributions from the entire range of disciplines that comprise the neurosciences, behavioural sciences or cognitive sciences are appropriate, as long as the goal is to delineate the neural mechanisms underlying behaviour. Thus, studies may range from neurophysiological, neuroanatomical, neurochemical or neuropharmacological analysis of brain-behaviour relations, including the use of molecular genetic or behavioural genetic approaches, to studies that involve the use of brain imaging techniques, to neuroethological studies. Reports of original research, of major methodological advances, or of novel conceptual approaches are all encouraged. The journal will also consider critical reviews on selected topics.