Poster Session: In search of Attention Restoration: does the statistical stability of natural images support enhanced visual cognition?

IF 2.3 4区 心理学 Q2 OPHTHALMOLOGY
Shoaib Nabil, John Maule
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引用次数: 0

Abstract

Stable visual ensemble statistics can support performance on a visual search task (e.g. Corbett and Melcher, 2014). Such results may indicate improvements in the efficiency of visual cognition in response to a more predictable environment. Observations of improved cognition when immersed in nature (e.g. Berman et al., 2008) have been related to concepts of perceptual fluency and Attention Restoration. We investigated whether the statistical stability of natural scenes could be the underlying mechanism supporting enhancements in visual cognition related to natural images. In experiment 1, we replicated the first study from Corbett and Melcher (2014), showing that sequences of trials with a stable mean size of Gabor elements results in enhanced visual search for an orientation singleton target, compared to sequences with an unstable mean size. In experiment 2, we embedded visual search targets within a set of natural scene images. We leveraged existing variation in the image statistics between images to present sequences where the slope of the Fourier amplitude spectrum was relatively stable (gradually increasing/decreasing) or unstable (randomly ordered). The results have implications for our understanding of the effect of the visual environment on visuo-cognitive functions and the extraction of image statistics by the visual system. We discuss the likely role for eye movements in sampling natural scenes.

海报会议:寻找注意力恢复:自然图像的统计稳定性是否支持增强的视觉认知?
稳定的视觉集成统计可以支持视觉搜索任务的性能(例如Corbett和Melcher, 2014)。这样的结果可能表明,在对更可预测的环境作出反应时,视觉认知的效率有所提高。当沉浸在自然中时,认知能力的提高(如Berman等人,2008)与知觉流畅性和注意力恢复的概念有关。我们研究了自然场景的统计稳定性是否可能是支持与自然图像相关的视觉认知增强的潜在机制。在实验1中,我们复制了Corbett和Melcher(2014)的第一项研究,表明与平均尺寸不稳定的序列相比,具有稳定Gabor元素平均尺寸的试验序列可以增强对定向单一目标的视觉搜索。在实验2中,我们将视觉搜索目标嵌入到一组自然场景图像中。我们利用图像之间现有的图像统计变化来呈现傅里叶振幅谱斜率相对稳定(逐渐增加/减少)或不稳定(随机有序)的序列。这些结果对我们理解视觉环境对视觉认知功能的影响以及视觉系统对图像统计的提取具有重要意义。我们讨论了眼动在采样自然场景中的可能作用。
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来源期刊
Journal of Vision
Journal of Vision 医学-眼科学
CiteScore
2.90
自引率
5.60%
发文量
218
审稿时长
3-6 weeks
期刊介绍: Exploring all aspects of biological visual function, including spatial vision, perception, low vision, color vision and more, spanning the fields of neuroscience, psychology and psychophysics.
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