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. 2019 Jul 1;3(3):779–791. doi: 10.1162/netn_a_00088

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© 2019 Massachusetts Institute of Technology

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Figure 4. — Examples of Interareal connection motifs. Motif2: interareal circuits serve to transform representation by integration of inputs from multiple columns. (A) Image of labeled blobs in V1 following injection of tracer in V2 (Sincich & Horton, 2005). Red arrows: interblob inputs from V1 converge onto a single pale stripe in V2. Vertical dotted line: V1/V2 border. (B) This motif is observed from (red) V1 blobs to V2 thin stripes, (blue) V1 interblobs to V2 pale/thick stripes, and (grays) from V1 ocular dominance columns to V2 thick stripes. (C, D) Red arrows: converging digit tip inputs from Area 3b to Area 1 in somatosensory cortex (Wang et al., 2013).