Dressmakers show enhanced stereoscopic vision.
Dressmakers show enhanced stereoscopic vision.
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DOI：
10.1038/s41598-017-03425-1
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发表时间：
2017-06-13
影响因子：
4.6
通讯作者：
Bavelier D
中科院分区：
文献类型：
--
作者：
Chopin A;Levi DM;Bavelier D
估计物体与自身以及彼此之间距离的能力对于从抓取物体到导航的各种行为来说都是至关重要的。距离的主要线索，立体视觉，依赖于从我们的左眼和右眼获得的图像之间的轻微偏移，也称为视差。在这里，我们要问的是，立体视觉的精度是否会随着专业经验的不同而变化。我们测量了裁缝和非裁缝的绝对和相对差异的立体感。我们使用了立体镜和计算机测试去除单眼线索。我们还测量了聚散噪声和偏见使用Nonius线技术。我们证明，裁缝的立体视觉比那些非裁缝，无论是绝对和相对差距。相比之下，两组的聚散噪音和偏差相当。两种非排他性的机制可能是我们记录的群体差异的来源：（i）自我选择或立体视觉在功能上对成为裁缝很重要的事实，以及（ii）可塑性，或要求立体视觉任务的训练提高立体敏锐度的事实。
The ability to estimate the distance of objects from one’s self and from each other is fundamental to a variety of behaviours from grasping objects to navigating. The main cue to distance, stereopsis, relies on the slight offsets between the images derived from our left and right eyes, also termed disparities. Here we ask whether the precision of stereopsis varies with professional experience with precise manual tasks. We measured stereo-acuities of dressmakers and non-dressmakers for both absolute and relative disparities. We used a stereoscope and a computerized test removing monocular cues. We also measured vergence noise and bias using the Nonius line technique. We demonstrate that dressmakers’ stereoscopic acuities are better than those of non-dressmakers, for both absolute and relative disparities. In contrast, vergence noise and bias were comparable in the two groups. Two non-exclusive mechanisms may be at the source of the group difference we document: (i) self-selection or the fact that stereo-vision is functionally important to become a dressmaker, and (ii) plasticity, or the fact that training on demanding stereovision tasks improves stereo-acuity.