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Blue blood, red blood. How does the color of an emotional scene affect visual attention and pupil size?
Vision Research ( IF 1.8 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.visres.2020.04.008
Joanna Pilarczyk 1 , Michał Kuniecki 1 , Kinga Wołoszyn 1 , Radosław Sterna 1
Affiliation  

The function of color in the processing of emotional scenes is not entirely clear. While there are studies showing that color matters in terms of the capture of covert attention by emotional stimuli, the impact of color on fixation patterns, reflecting overt attention, is unresolved. Studies on the role of color in evoking emotional response have also produced mixed results. Here, we aimed to explore how image color and content influence pupillary response and the engagement of overt visual attention. In the first experiment, we examined the pupillary reaction to neutral images (intact and phase scrambled) in three color variants (natural, abnormal, and grayscale). In the second experiment, we investigated the pupillary changes and fixation pattern in response to images of different valence (neutral, positive, and negative), again in three color versions. The results showed that pupillary responses were influenced by both content and the color of the images. The pupillary response to phase-scrambled images did not differ between the color versions. Intact neutral and positive images, but not negative ones, evoked smaller pupil responses if they were presented in abnormal colors rather than natural ones. The initial capture of attention by emotional content depended on the color version, whereas holding of attention was affected solely by the emotional valence. Thus, color changes the physiological response to images, particularly low-arousing ones, and modulates the initial engagement of attention by image content.

中文翻译:

蓝血,红血。情感场景的颜色如何影响视觉注意力和瞳孔大小?

颜色在情感场景处理中的功能尚不完全清楚。尽管有研究表明,颜色对于通过情绪刺激捕获隐性注意力至关重要,但尚未解决颜色对固定模式的影响,反映了明显的注意力。关于颜色在激发情绪反应中的作用的研究也产生了不同的结果。在这里,我们旨在探讨图像颜色和内容如何影响瞳孔反应和明显的视觉注意。在第一个实验中,我们检查了瞳孔对三种颜色(自然,异常和灰度)中性图像(完整和相位混乱)的反应。在第二个实验中,我们调查了瞳孔变化和固定模式对不同价数(中性,阳性和阴性)图像的反应,再次有三种颜色版本。结果表明,瞳孔反应受图像内容和颜色的影响。彩色版本之间,瞳孔对相位加扰图像的响应没有差异。完整的中性和阳性图像,而不是阴性图像,如果以异常颜色而不是自然颜色呈现,则会引起较小的瞳孔反应。情感内容对注意力的最初捕获取决于颜色版本,而注意力的保持仅受情感价的影响。因此,颜色改变了对图像(特别是低刺激性图像)的生理反应,并通过图像内容调节注意力的最初参与。彩色版本之间,瞳孔对相位加扰图像的响应没有差异。完整的中性和阳性图像,而不是阴性图像,如果以异常颜色而不是自然颜色呈现,则会引起较小的瞳孔反应。情感内容对注意力的最初捕获取决于颜色版本,而注意力的保持仅受情感价的影响。因此,颜色改变了对图像(特别是低刺激性图像)的生理反应,并通过图像内容调节注意力的最初参与。彩色版本之间,瞳孔对相位加扰图像的响应没有差异。完整的中性和阳性图像,而不是阴性图像,如果以异常颜色而不是自然颜色呈现,则会引起较小的瞳孔反应。情感内容对注意力的最初捕获取决于颜色版本,而注意力的保持仅受情感价的影响。因此,颜色改变了对图像(特别是低刺激性图像)的生理反应,并通过图像内容调节注意力的最初参与。而保持注意力只受情绪价的影响。因此,颜色改变了对图像(特别是低刺激性图像)的生理反应,并通过图像内容调节注意力的最初参与。而保持注意力只受情绪价的影响。因此,颜色改变了对图像(特别是低刺激性图像)的生理反应,并通过图像内容调节注意力的最初参与。
更新日期:2020-05-01
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