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. 2010 May 21;5(5):e10644. doi: 10.1371/journal.pone.0010644

Figure 11. Visualization of the effects of an inhibitory LN input that separates one response from another.

Figure 11

Two different inhibition mechanisms that distinguish odors as represented in panels (A)(B) and in panels (C)(D). Circles and crosses are simulated data for PN responses to two different odor pairs obtained from our network model. Responses of 24 PN types to the odors are projected onto a space defined by the first two principal components. Solid lines show the decision boundaries of SVM classifiers learned from training data. Test data are plotted. Large crosses at the bottom of the figures represent the points where all PNs were silent. Large circles at the top represent the points where all PNs were firing. Inline graphic was set to the value at peak i in Fig. 10 (A) (Inline graphic). In panels (A) and (C), there was is no LN input (Inline graphic). In panels (B) and (D), Inline graphic was set to the value at peak i in Fig. 10 (A) (Inline graphic).