Illusions of having small or large invisible bodies influence visual perception of object size.

Illusions of having small or large invisible bodies influence visual perception of object size.
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DOI:
10.1038/srep34530
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发表时间:
2016-10-06
期刊:
影响因子:
4.6
通讯作者:
Ehrsson HH
Ehrsson HH
中科院分区:
综合性期刊3区
文献类型:
--
作者:
van der Hoort B;Ehrsson HH

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我们身体的大小会影响我们对世界大小的感知,因此儿童对物体的感知要比成人大。这种影响的机制尚不清楚。很难将基于个体可见身体的外部环境的视觉重新缩放与基于中央多感觉身体表征的视觉重新缩放分离。为了区分这些潜在的因果机制,我们利用身体表征研究的最新进展,在没有可见身体的情况下操纵身体表征。参与者体验了一个小或大的隐形身体的错觉,而物体的大小感知进行了测试。我们的研究结果表明,测试对象的感知大小是由无形体的大小(反比关系),并通过无形体错觉的强度。这些研究结果表明,中心体表征如何直接影响视觉尺寸感知,而不需要一个可见的身体,通过重新调整环境的空间表征。
The size of our body influences the perceived size of the world so that objects appear larger to children than to adults. The mechanisms underlying this effect remain unclear. It has been difficult to dissociate visual rescaling of the external environment based on an individual’s visible body from visual rescaling based on a central multisensory body representation. To differentiate these potential causal mechanisms, we manipulated body representation without a visible body by taking advantage of recent developments in body representation research. Participants experienced the illusion of having a small or large invisible body while object-size perception was tested. Our findings show that the perceived size of test-objects was determined by the size of the invisible body (inverse relation), and by the strength of the invisible body illusion. These findings demonstrate how central body representation directly influences visual size perception, without the need for a visible body, by rescaling the spatial representation of the environment.
如果我是你:人体交换的知觉幻想。
DOI: 10.1371/journal.pone.0003832
发表时间: 2008
期刊: PLOS ONE
影响因子: 3.7
作者:
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