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. 2013 Aug 12;4:493. doi: 10.3389/fpsyg.2013.00493

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Copyright © 2013 Alink, Krugliak, Walther and Kriegeskorte.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Fine- and coarse-scale pattern components enable orientation decoding. (A) Fine-scale pattern decoding. V1 decoding accuracy after subtracting out patch-average activation levels (i.e., removing the spatial low-frequency component) from the patterns at different scales. Patch sizes, from coarse to fine (left to right): full-field representation (1 patch), hemifield representations (2 patches), quarterfield representations (4 patches), 30° radial-wedge representations (12 patches), and each radial wedge divided further into three equally sized cortical patches representing different eccentricities (36 patches). (B) Coarse-scale pattern decoding. V1 decoding accuracy based on only the patch averages using the same patch scheme.