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. 2013 Sep 20;7:148. doi: 10.3389/fncir.2013.00148

Figure 1.

Figure 1

Experimental diagram. (A) Photograph shows a recording location with pontamine sky blue located in the superficial external plexiform layer. (B) A drawing shows the location of NDB stimulation; the HDB is highlighted. (C) An examplar stimulating location shows blue ion deposits from stimulating electrode visualized by potassium ferrocyanide. Scale bar = 250 μm.