Sounds exaggerate visual shape.
Sounds exaggerate visual shape.
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DOI：
10.1016/j.cognition.2012.04.009
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发表时间：
2012-08
期刊：
影响因子：
3.4
通讯作者：
Suzuki S
中科院分区：
文献类型：
--
作者：
Sweeny TD;Guzman-Martinez E;Ortega L;Grabowecky M;Suzuki S
在感知语音时，人们会看到与声音系统相关的嘴型。特别是，垂直伸展的嘴巴发出/woo/声音，而水平伸展的嘴巴发出/wee/声音。我们证明，听到这些语音声音会改变我们观看纵横比的方式，这是一种基本的视觉特征，有助于感知3D空间、物体和人脸。听到a/woo/声音会增加形状的明显垂直伸长，而听到a/wee/声音会增加明显的水平伸长。我们进一步证明了这些声音会影响长宽比编码。查看并适应高大(或平坦)形状会使随后呈现的对称形状看起来平坦(或高大)。在适应阶段，当出现相关语音时，这些长宽比的后效增强，这表明声音影响了长宽比的视觉群体编码。综上所述，这些结果扩展了之前的演示，即视觉信息通过显示反向语音影响基本几何特征的视觉感知来限制听觉感知。
While perceiving speech, people see mouth shapes that are systematically associated with sounds. In particular, a vertically stretched mouth produces a /woo/ sound, whereas a horizontally stretched mouth produces a /wee/ sound. We demonstrate that hearing these speech sounds alters how we see aspect ratio, a basic visual feature that contributes to perception of 3D space, objects and faces. Hearing a /woo/ sound increases the apparent vertical elongation of a shape, whereas hearing a /wee/ sound increases the apparent horizontal elongation. We further demonstrate that these sounds influence aspect ratio coding. Viewing and adapting to a tall (or flat) shape makes a subsequently presented symmetric shape appear flat (or tall). These aspect ratio aftereffects are enhanced when associated speech sounds are presented during the adaptation period, suggesting that the sounds influence visual population coding of aspect ratio. Taken together, these results extend previous demonstrations that visual information constrains auditory perception by showing the converse – speech sounds influence visual perception of a basic geometric feature.
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