对“亮度感应和怀特错觉的时间动力学”的一种可能的低层次解释
A possible low-level explanation of "temporal dynamics of brightness induction and White's illusion"
摘要：
基于对猕猴初级视皮层细胞中时间依赖性方向选择性的生理观察以及对人类视觉中方向检测器调谐的心理物理学研究，我们认为，亮度感知的时间依赖性可以通过皮层对ODoG滤波器响应的方向调谐的时间演变来调节。一组差分高斯函数已被用来模拟方向调谐的时间依赖性。调谐的方向偏好和它的反转在稍后的时间已被认为是在定性解释的时间动态的亮度感知观察到的“简短的介绍揭示了时间动态的亮度感应和白的错觉”为58和82毫秒的刺激曝光。
英文摘要：
Based upon physiological observation on time dependent orientation selectivity in the cells of macaque's primary visual cortex together with the psychophysical studies on the tuning of orientation detectors in human vision we suggest that time dependence in brightness perception can be accommodated through the time evolution of cortical contribution to the orientation tuning of the ODoG filter responses. A set of Difference of Gaussians functions has been used to mimic the time dependence of orientation tuning. The tuning of orientation preference and its inversion at a later time have been considered in explaining qualitatively the temporal dynamics of brightness perception observed in "Brief presentations reveal the temporal dynamics of brightness induction and White's illusion" for 58 and 82 ms of stimulus exposure.
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