Synchronization of spontaneous eyeblinks while viewing video stories.
Synchronization of spontaneous eyeblinks while viewing video stories.
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DOI：
10.1098/rspb.2009.0828
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发表时间：
2009-10-22
期刊：
影响因子：
--
通讯作者：
Kitazawa S
中科院分区：
文献类型：
--
作者：
Nakano T;Yamamoto Y;Kitajo K;Takahashi T;Kitazawa S
眨眼通常在需要视觉注意的任务期间被抑制，并且当明确给出其开始和偏移的时间时，往往在任务之前或之后立即发生。在观看视频故事的过程中，预期眨眼发生在明确的中断处，例如场景变化。然而，鉴于场景长度不可预测，场景内还应该有适当的眨眼时机，以防止关键视觉信息的暂时丢失。在这里，我们表明，自发眨眼是高度同步的主题之间和内部时，他们看到相同的短视频故事，但没有明确的场景休息。同步眨眼发生在需要较少注意力的场景中，例如在动作结束时，在主角缺席期间，在长镜头期间以及在重复呈现类似场景期间。相比之下，当受试者观看背景视频或听故事朗读时，没有观察到眨眼同步。研究结果表明，人类共享一种控制眨眼时间的机制，该机制搜索一个隐式时间，该时间适合于在观看视觉事件流时最大限度地减少丢失关键信息的机会。
Blinks are generally suppressed during a task that requires visual attention and tend to occur immediately before or after the task when the timing of its onset and offset are explicitly given. During the viewing of video stories, blinks are expected to occur at explicit breaks such as scene changes. However, given that the scene length is unpredictable, there should also be appropriate timing for blinking within a scene to prevent temporal loss of critical visual information. Here, we show that spontaneous blinks were highly synchronized between and within subjects when they viewed the same short video stories, but were not explicitly tied to the scene breaks. Synchronized blinks occurred during scenes that required less attention such as at the conclusion of an action, during the absence of the main character, during a long shot and during repeated presentations of a similar scene. In contrast, blink synchronization was not observed when subjects viewed a background video or when they listened to a story read aloud. The results suggest that humans share a mechanism for controlling the timing of blinks that searches for an implicit timing that is appropriate to minimize the chance of losing critical information while viewing a stream of visual events.
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