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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: J Comp Neurol. 2010 Jun 1;518(11):2051–2070. doi: 10.1002/cne.22321

Figure 1.

Figure 1

Reconstruction of electrode tracks and recording sites in V1 (A) and V2L (B) in mouse visual cortex. Adjacent sections where the electrode track and lesions were not visible are shown in C and D. Layers are easily identifiable and indicated on the left and right. Electrolytic lesions at the end of penetrations are labeled. Preferred orientation of each unit is also indicated by a short bar. Note that in V1 (A), there were two penetrations and the second penetration that was made perpendicular to the surface ended in layer 4. The penetration in panel B shows that the majority of units were from V2L except the first 3 units that were in V1. WM signifies the white matter. The markers indicate the location of the borders between V1 and V2L and V2L and auditory cortex. V1 could be distinguished from V2L by its thicker layer 4 and a less densely packed layer 5, in particular immediately above layer 6 where a sublayer with fewer cells is visible in V1 but not V2L.