Henderson John M, Brockmole James R, Gajewski Daniel A
Department of Psychology, 7 George Square, University of Edinburgh, Edinburgh EH8 9JZ, UK.
Vision Res. 2008 Jan;48(1):16-29. doi: 10.1016/j.visres.2007.10.008.
How sensitive are viewers to changes in global image properties across saccades during active real-world scene perception? This question was investigated by globally increasing and/or decreasing luminance or contrast in photographs of real-world scenes across saccadic eye movements or during matched brief interruptions in a flicker paradigm. The results from two experiments demonstrated very poor sensitivity to global image changes in both the saccade-contingent and flicker paradigms, suggesting that the specific values of basic sensory properties do not contribute to the perception of stability across saccades during complex scene perception. In addition, overall sensitivity was significantly worse in the saccade-contingent change paradigm than the flicker paradigm, suggesting that the flicker paradigm is an imperfect simulation of transsaccadic vision.
在真实场景的主动感知过程中，观看者对扫视过程中全局图像属性变化的敏感度如何？通过在真实场景照片中，在扫视眼动期间或在闪烁范式中匹配的短暂中断期间全局增加和/或降低亮度或对比度，对这个问题进行了研究。两个实验的结果表明，在扫视相关和闪烁范式中，对全局图像变化的敏感度都非常低，这表明在复杂场景感知过程中，基本感官属性的具体值对扫视过程中的稳定性感知没有贡献。此外，在扫视相关变化范式中的总体敏感度明显低于闪烁范式，这表明闪烁范式是跨扫视视觉的不完美模拟。
