EnChroma 多针孔滤光片增强氘化色觉效果的经验测试

IF 1.5 4区 心理学 Q4 NEUROSCIENCES
Lucy P. Somers , Anna Franklin , Jenny M. Bosten
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引用次数: 0

摘要

基于缺口滤光片的色觉辅助设备制造商声称,他们的产品可以提高色觉异常三色症(一种色觉缺陷(CVD))患者的色觉。轶事报道暗示,色觉障碍患者在使用滤色器时,其色觉会得到显著增强。然而,现有的实证研究主要集中在缺口滤色镜对 CVD 诊断测试成绩的影响上,并没有发现缺口滤色镜有任何实质性的影响。根据异常三基色色觉模型,我们选择了能够显示 EnChroma 滤色镜效果的刺激物。利用这些刺激物,我们在三项实验中测试了 EnChroma 滤色镜增强 10 名氘代反常三色人色觉的能力:1. 测试和对照滤镜条件下的非对称色彩匹配;2. 使用四种强迫选择测量色彩辨别力;3. 使用多维缩放重建主观色彩空间的相似度评级测量色彩外观。为了研究长期适应或知觉学习的潜在影响,受试者在两个时间点完成了所有三项实验,即首次接触滤色镜和经常使用滤色镜一周后。我们发现,在这两个时间点上,滤色镜对色彩匹配的影响都与模型预测的方向一致,这意味着滤色镜可以增强反常的三基色色域。然而,我们发现滤色片对阈值色彩辨别的影响微乎其微。我们发现,在第一个时间点,滤色片对增强沿红绿轴的颜色有明显的影响,而在第二个时间点,也有相同的趋势。我们的研究结果首次提供了定量实验证据,证明凹口滤光片可以增强异常三色人的色彩感知能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Empirical tests of the effectiveness of EnChroma multi-notch filters for enhancing color vision in deuteranomaly

Manufacturers of notch filter-based aids for color vision claim that their products can enhance color perception for people with anomalous trichromacy, a form of color vision deficiency (CVD). Anecdotal reports imply that people with CVD can have radically enhanced color vision when using the filters. However, existing empirical research largely focussed on the effect of notch filters on performance on diagnostic tests for CVD has not found that they have any substantial effect. Informed by a model of anomalous trichromatic color vision, we selected stimuli predicted to reveal the effects of EnChroma filters. Using these stimuli, we tested the ability of EnChroma filters to enhance color vision for 10 deuteranomalous trichromats in three experiments: 1. asymmetric color matching between test and control filter conditions, 2. color discrimination measured using four alternative forced-choice, and 3. color appearance measured using dissimilarity ratings to reconstruct subjective color spaces using multidimensional scaling. To investigate potential effects of long-term adaptation or perceptual learning, participants completed all three experiments at two time points, on first exposure to the filters, and after a week of regular use. We found a significant effect of the filters on color matches in the direction predicted by the model at both time points, implying that the filters can enhance the anomalous trichromatic color gamut. However, we found minimal effect of the filters on color discrimination at threshold. We found a significant effect of the filters in enhancing the appearance of colors along the red-green axis at the first time point, and a trend in the same direction at the second time point. Our results provide the first quantitative experimental evidence that notch filters can enhance color perception for anomalous trichromats.

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来源期刊
Vision Research
Vision Research 医学-神经科学
CiteScore
3.70
自引率
16.70%
发文量
111
审稿时长
66 days
期刊介绍: Vision Research is a journal devoted to the functional aspects of human, vertebrate and invertebrate vision and publishes experimental and observational studies, reviews, and theoretical and computational analyses. Vision Research also publishes clinical studies relevant to normal visual function and basic research relevant to visual dysfunction or its clinical investigation. Functional aspects of vision is interpreted broadly, ranging from molecular and cellular function to perception and behavior. Detailed descriptions are encouraged but enough introductory background should be included for non-specialists. Theoretical and computational papers should give a sense of order to the facts or point to new verifiable observations. Papers dealing with questions in the history of vision science should stress the development of ideas in the field.
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