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首页> 外文期刊>Neuron >Beyond the edges of a view: boundary extension in human scene-selective visual cortex.
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Beyond the edges of a view: boundary extension in human scene-selective visual cortex.

机译:超越视图边缘:人类场景选择性视觉皮层的边界扩展。

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摘要

To allow perception of a continuous world, cortical mechanisms extrapolate missing information with highly constrained predictions about the environment just beyond the edges of a view. Here, we report functional magnetic resonance imaging evidence for extrapolation of scene layout information beyond what was physically presented, an illusion known as boundary extension. Consistent with behavioral reports, we observed boundary extension for scene-selective attenuation in the parahippocampal place area (PPA) and retrosplenial cortex (RSC), but no such extrapolation of object representations in the lateral occipital complex (LOC). These results demonstrate that scene layout representations are extrapolated beyond the confines of the perceptual input. Such extrapolation may facilitate perception of a continuous world from discontinuous views.
机译:为了让人们感知到一个连续的世界,皮质机制通过视图的边缘以外的高度受限的环境预测来推断缺失的信息。在这里,我们报告功能性磁共振成像证据,以推断场景布局信息超出实际呈现的范围,这是一种称为边界扩展的错觉。与行为报告一致,我们在海马旁区(PPA)和脾后皮质(RSC)中观察到场景选择性衰减的边界扩展,但在枕后外侧复合体(LOC)中没有这种对象表示的推断。这些结果表明,场景布局的表示超出了感知输入的范围。这样的推断可以促进从不连续的观点感知连续的世界。

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