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Neural representation of transparent overlay

Abstract

Perceptual transparency is a surprising phenomenon in which a number of regions of different shades organize into overlaying transparent objects. We recorded single neuron responses from Macaca mulatta area V2 to a display of two bright and two dark squares that appeared as two overlaying bars. We found that neurons assign border ownership according to the transparent interpretation, representing the shapes of the bars rather than the squares.

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Figure 1: Neural border ownership assignment in situations of transparent overlay.
Figure 2: The influence of transparency cues on neural border ownership signals in V2.

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Acknowledgements

We thank O. Garalde for technical assistance. This research was supported by US National Institutes of Health grant R01 EY02966.

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Correspondence to Rüdiger von der Heydt.

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The authors declare no competing financial interests.

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Qiu, F., von der Heydt, R. Neural representation of transparent overlay. Nat Neurosci 10, 283–284 (2007). https://doi.org/10.1038/nn1853

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