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. 2000 Feb 15;97(4):1841–1844. doi: 10.1073/pnas.97.4.1841

Figure 4.

Figure 4

5-HT-induced facilitation of synaptic plasticity in the kitten visual cortex has a spatial component. (A) Summary data for the frequency of LTP and LTD induced by conjoint application of 5-HT and LFS in layer IV of the kitten visual cortex in relation to CTX-gold retrograde labeling of area 21a projection neurons in layer II/III (complementary to 5-HT2A/2C receptor patches in layer IV). (B) Summary data for the magnitude of LTP and LTD in relation to CTX-gold retrograde labeling of area 21a projection neurons in layer II/III (complementary to 5-HT2A/2C receptor columns in layer IV). *, P < 0.05; **, P < 0.01.