Li Qi, Wu Yan, Yang Jingjing, Wu Jinglong, Touge Tetsuo
School of Computer Science and Technology, Changchun University of Science and Technology, Changchun, China.
School of Computer Science and Technology, Changchun University of Science and Technology, Changchun, China.
Neurosci Lett. 2015 Jan 1;584:202-7. doi: 10.1016/j.neulet.2014.10.030. Epub 2014 Oct 24.
Utilizing the high temporal resolution of event-related potentials (ERPs), we examined the effects of temporal reliability of sounds on visual detection. Significantly faster reaction times to visual target stimuli were observed when reliable temporal information was provided by a task-irrelevant auditory stimulus. Three main ERP components related to the effects of auditory temporal reliability were found: the first at 180-240 ms over a wide central area, the second at 300-400 ms over an anterior area, and the third at 300-380 ms over bilateral temporal areas. Our results support the hypothesis that temporal reliability affects visual detection and indicate that auditory facilitation of visual detection is partly due to spread of attention and thus results from implicit temporal linking of auditory and visual information at a relatively late processing stage.
利用事件相关电位（ERP）的高时间分辨率，我们研究了声音的时间可靠性对视觉检测的影响。当任务无关的听觉刺激提供可靠的时间信息时，观察到对视觉目标刺激的反应时间明显更快。发现了与听觉时间可靠性影响相关的三个主要ERP成分：第一个在180 - 240毫秒，分布在广泛的中央区域；第二个在300 - 400毫秒，分布在前部区域；第三个在300 - 380毫秒，分布在双侧颞叶区域。我们的结果支持时间可靠性影响视觉检测的假设，并表明听觉对视觉检测的促进作用部分归因于注意力的扩散，因此是在相对较晚的处理阶段听觉和视觉信息的隐式时间关联的结果。
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