Accuracy and precision of small saccades.

Accuracy and precision of small saccades.
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小扫视的准确性和精确度。

DOI:
10.1038/s41598-020-72432-6
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发表时间:
2020-09-30
期刊:
影响因子:
4.6
通讯作者:
Rucci M
Rucci M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Poletti M;Intoy J;Rucci M

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尽管最近的进展的机制和目的的精细眼球运动的行为,严格的评估的精度和准确性的最小的扫视仍然缺乏。然而,了解这些运动如何有效地转移视线对于理解它们的功能是必要的,并且有助于进一步阐明它们的运动基础。使用高分辨率的眼动跟踪和凝视偶然控制相结合,在这里,我们研究了准确性和精度的扫视目标范围从偏心。我们表明,即使是小的扫视只有14-是非常有效的中心刺激视网膜上。此外,我们表明,在任何给定的偏心率的目标,引发眼跳的概率取决于其在减少中央凹偏移的功效。这里报道的结果模式与当前关于微眼跳产生的运动机制的知识是一致的。
Despite recent advances on the mechanisms and purposes of fine oculomotor behavior, a rigorous assessment of the precision and accuracy of the smallest saccades is still lacking. Yet knowledge of how effectively these movements shift gaze is necessary for understanding their functions and is helpful in further elucidating their motor underpinnings. Using a combination of high-resolution eye-tracking and gaze-contingent control, here we examined the accuracy and precision of saccades aimed toward targets ranging from to eccentricity. We show that even small saccades of just 14– are very effective in centering the stimulus on the retina. Furthermore, we show that for a target at any given eccentricity, the probability of eliciting a saccade depends on its efficacy in reducing the foveal offset. The pattern of results reported here is consistent with current knowledge on the motor mechanisms of microsaccade production.
DOI: 10.1016/0042-6989(87)90142-8
发表时间: 1987-01-01
期刊: VISION RESEARCH
影响因子: 1.8
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