An auditory-visual tradeoff in susceptibility to clutter.
An auditory-visual tradeoff in susceptibility to clutter.
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DOI：
10.1038/s41598-021-00328-0
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发表时间：
2021-12-07
影响因子：
4.6
通讯作者：
Ihlefeld A
中科院分区：
文献类型：
--
作者：
Zhang M;Denison RN;Pelli DG;Le TTC;Ihlefeld A
感觉皮层机制将听觉或视觉特征联合收割机结合到感知的对象中。这在嘈杂或杂乱的环境中是困难的。我们知道，每个人对杂乱的敏感性有很大的不同，我们想知道一个人的听觉和视觉对杂乱的敏感性之间是否有关系。在听觉掩蔽中，背景声音使口语无法识别。当掩蔽由于耳蜗以外的中央听觉处理阶段的干扰而出现时，它被称为信息掩蔽。视觉中有一个惊人的相似现象，称为视觉拥挤，当附近的杂波使目标物体无法识别时，尽管在视网膜上被解决了。在这里，我们比较了听觉信息掩蔽和视觉拥挤在相同的参与者。令人惊讶的是，在参与者中，我们发现信息掩蔽和拥挤之间的易感性呈负相关（R = -0.7）：对听觉混乱敏感性低的参与者往往对视觉混乱敏感，反之亦然。这揭示了大脑在听觉和视觉处理之间的权衡。
Sensory cortical mechanisms combine auditory or visual features into perceived objects. This is difficult in noisy or cluttered environments. Knowing that individuals vary greatly in their susceptibility to clutter, we wondered whether there might be a relation between an individual’s auditory and visual susceptibilities to clutter. In auditory masking, background sound makes spoken words unrecognizable. When masking arises due to interference at central auditory processing stages, beyond the cochlea, it is called informational masking. A strikingly similar phenomenon in vision, called visual crowding, occurs when nearby clutter makes a target object unrecognizable, despite being resolved at the retina. We here compare susceptibilities to auditory informational masking and visual crowding in the same participants. Surprisingly, across participants, we find a negative correlation (R = –0.7) between susceptibility to informational masking and crowding: Participants who have low susceptibility to auditory clutter tend to have high susceptibility to visual clutter, and vice versa. This reveals a tradeoff in the brain between auditory and visual processing.
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