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Surround Suppression in V1 via Withdraw of Balanced Local Excitation in V1 (Shushruth 2012)
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The model is mean-field network models, which is set up as a so-called ring-model, i. e. it is a highly idealized model of an orientation hypercolumn in primary visual cortex. Long-range intra-areal and inter-areal feedback connections are modeled phenomenologically as an external input. In this model, there are recurrent interactions via short-range local connections between orientation columns, but not between hypercolumns.
Shushruth S, Mangapathy P, Ichida JM, Bressloff PC, Schwabe L, Angelucci A (2012) Strong recurrent networks compute the orientation tuning of surround modulation in the primate primary visual cortex.
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Neocortex L2/3 pyramidal GLU cell;
Neocortex V1 interneuron basket PV GABA cell;
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Neocortex L2/3 pyramidal GLU cell
Neocortex V1 interneuron basket PV GABA cell
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