Radial bias alters high-level motion perception

Radial bias alters high-level motion perception
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径向偏差改变了高级运动感知

DOI:
10.1016/j.visres.2023.108246
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发表时间:
2023
期刊:
影响因子:
1.8
通讯作者:
Song, Joo-Hyun
Song, Joo-Hyun
中科院分区:
心理学3区
文献类型:
--
作者:
Menceloglu, Melisa;Nakayama, Ken;Song, Joo-Hyun

文献摘要

参考文献

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视觉系统涉及各种方向和视野各向异性,其中之一是对径向方向和运动方向的偏好。所谓径向,我们指的是从中央凹对称地向外进入周围的方向。这种偏见源于早期视觉系统的解剖和生理基础。我们最近报道了这种低水平的视觉各向异性可以改变感知到的物体方向。在这里,我们报告径向偏置也可以改变另一个更高层次的系统,即表观运动的感知方向。我们在屏幕中央展示了一个双稳态的视运动四重奏,而参与者则盯着四重奏周围的不同位置。参与者(N = 22)强烈偏向于看到运动方向是径向的,相对于他们的固定,控制中心固定的任何偏差。使用垂直水平四重奏和倾斜四重奏(45°旋转四重奏)观察到这一点。后者使我们能够排除半球效应的影响,因为在半球效应中,穿过中线的运动较少被感知。这些结果扩展了我们之前关于感知物体方向的发现,表明视觉系统的低层次结构方面改变了另一个更高层次的视觉过程,即表观运动感知。
The visual system involves various orientation and visual field anisotropies, one of which is a preference for radial orientations and motion directions. By radial, we mean those directions coursing symmetrically outward from the fovea into the periphery. This bias stems from anatomical and physiological substrates in the early visual system. We recently reported that this low-level visual anisotropy can alter perceived object orientation. Here, we report that radial bias can also alter another higher-level system, the perceived direction of apparent motion. We presented a bistable apparent motion quartet in the center of the screen while participants fixated on various locations around the quartet. Participants (N = 22) were strongly biased to see the motion direction that was radial with respect to their fixation, controlling for any biases with center fixation. This was observed using a vertical-horizontal quartet as well as an oblique quartet (45° rotated quartet). The latter allowed us to rule out the contribution of the hemisphere effect where motion across the midline is perceived less often. These results extend our earlier findings on perceived object orientation, showing that low-level structural aspects of the visual system alter yet another higher-level visual process, that of apparent motion perception.
视觉处理的三个阶段和两个系统。
DOI: 10.1163/156856889x00112
发表时间: 1989
期刊: Spatial vision
影响因子: --
作者:
G. Sperling
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DOI: --
发表时间: 2009
影响因子: 4.8
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DOI: 10.1177/09567976221110243
发表时间: 2022-10-17
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作者:
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DOI: 10.1098/rstb.1980.0088
发表时间: 1980-01-01
期刊: PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES
影响因子: --
作者:
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DOI: --
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