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Audio-visual integration and saccadic inhibition

机译:视听整合和扫视抑制

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摘要

Saccades operate a continuous selection between competing targets at different locations. This competition has been mostly investigated in the visual context, and it is well known that a visual distractor can interfere with a saccade toward a visual target. Here, we investigated whether multimodal, audio-visual targets confer stronger resilience against visual distraction. Saccades to audio-visual targets had shorter latencies than saccades to unisensory stimuli. This facilitation exceeded the level that could be explained by simple probability summation, indicating that multisensory integration had occurred. The magnitude of inhibition induced by a visual distractor was comparable for saccades to unisensory and multisensory targets, but the duration of the inhibition was shorter for multimodal targets. We conclude that multisensory integration can allow a saccade plan to be reestablished more rapidly following saccadic inhibition.
机译:扫荡在不同位置的竞争目标之间进行连续选择。这项比赛主要是在视觉环境下进行的,众所周知,视觉干扰因素会干扰扫视运动向视觉目标的转移。在这里,我们调查了多模式的视听目标是否赋予了更强的抵御视觉干扰的能力。视听目标的扫视的潜伏期比单感觉刺激的扫视的潜伏期短。这种便利性超出了简单概率求和所能解释的水平,表明发生了多感觉整合。视力干扰物引起的抑制程度在扫视方面与单感觉和多感觉目标相当,但对多峰目标的抑制持续时间较短。我们得出的结论是,多感觉整合可以使视力抑制后的视力恢复计划更快地重建。

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