Probing transsaccadic correspondence with reverse correlation.

Probing transsaccadic correspondence with reverse correlation.
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通过逆相关探测跨眼跳对应关系

DOI:
10.1167/18.3.10
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发表时间:
2018
期刊:
影响因子:
1.8
通讯作者:
Collins
Collins
中科院分区:
医学4区
文献类型:
--
作者:
Joosten;Collins

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视觉稳定现象的经典解释是通过一个内部前向模型来预测基于参考拷贝的眼球运动的感觉后果。然而,这个模型不能解释为什么一些物体的位移没有被发现,这种现象可能取决于被动的先验信念,即世界是稳定的。通过反向相关,我们研究了眼跳对位移的抑制,发现眼跳后视觉目标相对于初始着落位置的位置不同,跨眼跳对应的操作也不同;当信号落在初级跳变散射范围内时,观测者无法准确地重新绘制。此外,我们观察到驱动感知和扫视决策的神经表征在扫视目标时是相似的,但驱动跨扫视对应的神经表征与驱动二次扫视的神经表征不同。
The phenomenon of visual stability is classically explained by an internal forward model predicting the sensory consequences of an eye movement based on efference copy. However, this model cannot explain why some object displacements go undetected, a phenomenon that may depend on a passive prior belief that the world is stable. With reverse correlation, we investigated saccadic suppression of displacement and found that transsaccadic correspondence operates differently depending on the position of the postsaccadic visual target relative to the primary landing position; when the signal falls within the extent of primary saccadic scatter, observers are less able to remap accurately. Furthermore, we observed that the neural representations driving perceptual and saccadic decisions are similar when saccading to a target, but that the representations driving transsaccadic correspondence are different from those driving secondary saccades.
DOI: 10.1167/3.11.19
发表时间: 2003-01-01
期刊: JOURNAL OF VISION
影响因子: 1.8
作者:
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通讯作者: Hawken, MJ
DOI: 10.1016/0042-6989(75)90290-4
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