The relationship between reflex eye realignment and the percept of single vision in young children.
The relationship between reflex eye realignment and the percept of single vision in young children.
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DOI：
10.1038/s41598-020-78636-0
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发表时间：
2021-01-11
影响因子：
4.6
通讯作者：
Candy TR
中科院分区：
文献类型：
--
作者：
Meier K;Lundell DL;Seemiller ES;Giaschi D;Wilcox LM;Candy TR
有效的双眼视觉依赖于运动和感知功能。幼儿在与动态三维环境互动的同时，经历了这两个组成部分的发展。当这种发展失败时，可能会导致眼睛错位和复视。我们比较了图像差异的范围，在此范围内，幼儿显示他们的眼睛反射运动重新排列的范围内，他们报告了一个单一的和双重的视觉感受。5岁儿童对2.2°宽刺激的视差的阶跃变化作出反应时，产生了成人样的反射性聚散速度调节函数，峰值在2°视差处，平均潜伏期为210 ms。平均而言，他们报告的刺激差异为3°或更大的复视，而成人报告为1°。三岁的奥尔兹也产生了反射性聚散调节功能，峰值约为2°的差距，但他们的感知无法评估。这些数据表明，到5岁时，由这些短暂刺激驱动的反射性眼睛重新排列反应和感知在空间和时间上紧密协调，以允许固定点周围的强大双眼功能。重要的是，在生长过程中维持这种紧密协调的可塑性神经过程控制着儿童时期驱动学习的视觉信息的稳定性。
Effective binocular vision is dependent on both motor and perceptual function. Young children undergo development of both components while interacting with their dynamic three-dimensional environment. When this development fails, eye misalignment and double vision may result. We compared the range of image disparities over which young children display reflex motor realignment of their eyes with the range over which they report a single versus double percept. In response to step changes in the disparity of a 2.2° wide stimulus, 5-year-olds generated an adult-like reflex vergence velocity tuning function peaking at 2° of disparity, with a mean latency of 210 ms. On average, they reported double vision for stimulus disparities of 3° and larger, compared to 1° in adult reports. Three-year-olds also generated reflex vergence tuning functions peaking at approximately 2° of disparity, but their percepts could not be assessed. These data suggest that, by age 5, reflex eye realignment responses and percepts driven by these brief stimuli are tightly coordinated in space and time to permit robust binocular function around the point of fixation. Importantly, the plastic neural processes maintaining this tight coordination during growth control the stability of visual information driving learning during childhood.
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影响因子：
56.9
作者：
BANKS, MS;ASLIN, RN;LETSON, RD
通讯作者：
LETSON, RD
影响因子：
2.6
作者：
ASLIN, RN
通讯作者：
ASLIN, RN
影响因子：
5.3
作者：
HUNG, GK;WANG, TJ;SEMMLOW, JL
通讯作者：
SEMMLOW, JL
DOI：
10.3758/bf03195489
发表时间：
2002-11-01
期刊：
BEHAVIOR RESEARCH METHODS INSTRUMENTS & COMPUTERS
影响因子：
--
作者：
Cornelissen, FW;Peters, EM;Palmer, J
通讯作者：
Palmer, J
影响因子：
1.8
作者：
Bharadwaj SR;Candy TR
通讯作者：
Candy TR