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首页> 外文期刊>Seeing and perceiving >The Aftereffects of Ventriloquism: The Time Course of the Visual Recalibration of Auditory Localization
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The Aftereffects of Ventriloquism: The Time Course of the Visual Recalibration of Auditory Localization

机译：Ventroloquism的后果：听觉定位的视觉重新校准的时程

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摘要

Exposure to synchronous but spatially discordant auditory and visual inputs produces adaptive recalibration of the respective localization processes, which manifest themselves in measurable aftereffects. Here we report two experiments that examined the time course of visual recalibration of apparent sound location in order to establish the build-up and dissipation of recalibration. In Experiment 1 participants performed a sound localization task before and during exposure to an auditory–visual discrepancy. In Experiment 2, participants performed a sound localization task before and after 60,180 or 300 exposures to the discrepancy and aftereffects were measured across a series of post-adaptation sound localization trials. The results show that recalibration is very fast. Substantial aftereffects are obtained after only 18-24 exposures and asymptote appears to be reached between 60 and 180 exposures. The rate of adaptation was independent of the size of the discrepancy. The retention of the aftereffect was strong, as we found no dissipation, not even after as few as 60 exposure trials.
机译：暴露于同步但空间不一致的听觉和视觉输入会产生相应定位过程的自适应重新校准，这会以可测量的后遗症体现出来。在这里，我们报告两个实验，检查视听声音位置的视觉重新校准的时间过程，以便建立重新校准的建立和耗散。在实验1中，参与者在暴露于听觉-视觉差异之前和之中执行了声音本地化任务。在实验2中，参与者在60180或300次接触差异前后进行声音定位任务，并在一系列适应后声音定位试验中测量了后效。结果表明，重新校准非常快。仅暴露18-24次后即可获得相当大的后效，并且渐近线似乎在60次至180次暴露之间达到。适应率与差异的大小无关。后遗症的保留很强，因为即使经过最少60次暴露试验，我们也没有发现遗散。

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