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. 2014 Jul 24;9(7):e98424. doi: 10.1371/journal.pone.0098424

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© 2014 Azzopardi et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(a) A CORF model cell without inhibition (, ) has independent relations between the preferred spatial frequency and orientation, while (b) a CORF model cell with push-pull inhibition (, ) shows a dependent relationship. This is similar to what is observed in biological simple cells (see Fig. 1 in [45]).

Inline graphic — (a) A CORF model cell without inhibition (, ) has independent relations between the preferred spatial frequency and orientation, while (b) a CORF model cell with push-pull inhibition (, ) shows a dependent relationship. This is similar to what is observed in biological simple cells (see Fig. 1 in [45]).