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. Author manuscript; available in PMC: 2014 Oct 20.
Published in final edited form as: Science. 2013 Jun 28;340(6140):1591–1594. doi: 10.1126/science.1236425

Fig. 4. Schematics of the conventional and proposed models of cortical processing.

Fig. 4

(A) In the conventional serial model, sensory information is transformed as excitation spreads from thalamus, to L4, to L2/3, to L5/6 along the most dense axonal pathways (green). (B) In the bistratified model, thalamus copies sensory information to both an upper stratum (L4 and L2/3) and a lower stratum (L5/6), which differs in coding properties and downstream targets.