Updating the dual-mechanism model for cross-sensory attentional spreading: The influence of space-based visual selective attention,Human Brain Mapping

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Updating the dual-mechanism model for cross-sensory attentional spreading: The influence of space-based visual selective attention
Human Brain Mapping ( IF 3.5 ) Pub Date : 2021-09-23 , DOI: 10.1002/hbm.25668
Song Zhao _{1,

2} , Yang Li ₁ , Chongzhi Wang ₁ , Chengzhi Feng ₁ , Wenfeng Feng _{1,

3}

Affiliation

Selective attention to visual stimuli can spread cross-modally to task-irrelevant auditory stimuli through either the stimulus-driven binding mechanism or the representation-driven priming mechanism. The stimulus-driven attentional spreading occurs whenever a task-irrelevant sound is delivered simultaneously with a spatially attended visual stimulus, whereas the representation-driven attentional spreading occurs only when the object representation of the sound is congruent with that of the to-be-attended visual object. The current study recorded event-related potentials in a space-selective visual object-recognition task to examine the exact roles of space-based visual selective attention in both the stimulus-driven and representation-driven cross-modal attentional spreading, which remain controversial in the literature. Our results yielded that the representation-driven auditory Nd component (200–400 ms after sound onset) did not differ according to whether the peripheral visual representations of audiovisual target objects were spatially attended or not, but was decreased when the auditory representations of target objects were presented alone. In contrast, the stimulus-driven auditory Nd component (200–300 ms) was decreased but still prominent when the peripheral visual constituents of audiovisual nontarget objects were spatially unattended. These findings demonstrate not only that the representation-driven attentional spreading is independent of space-based visual selective attention and benefits in an all-or-nothing manner from object-based visual selection for actually presented visual representations of target objects, but also that although the stimulus-driven attentional spreading is modulated by space-based visual selective attention, attending to visual modality per se is more likely to be the endogenous determinant of the stimulus-driven attentional spreading.

中文翻译：

更新跨感官注意传播的双机制模型：基于空间的视觉选择性注意的影响

对视觉刺激的选择性注意可以通过刺激驱动的结合机制或表征驱动的启动机制跨模式传播到与任务无关的听觉刺激。刺激驱动的注意力扩散发生在与任务无关的声音与空间参与的视觉刺激同时传递时，而表征驱动的注意力扩散仅发生在声音的对象表征与要注意的对象表征一致时视觉对象。目前的研究记录了空间选择性视觉对象识别任务中的事件相关电位，以检查基于空间的视觉选择性注意在刺激驱动和表征驱动的跨模态注意传播中的确切作用，这在文献。我们的结果表明，表示驱动的听觉 Nd 分量（声音开始后 200-400 毫秒）没有根据视听目标对象的外围视觉表示是否在空间上被关注而不同，但当目标对象的听觉表示时减少单独提出。相比之下，当视听非目标对象的外围视觉成分在空间上无人看管时，刺激驱动的听觉 Nd 分量（200-300 ms）减少了，但仍然很突出。这些发现不仅表明表示驱动的注意力传播独立于基于空间的视觉选择性注意力，并且以全有或全无的方式从基于对象的视觉选择中受益，以实际呈现目标对象的视觉表示，

更新日期：2021-11-17

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