Optimal stimuli.

<p><b>A</b> Maximally excitatory stimuli, plotted for the first 25 SFA units. <b>B</b> Maximally inhibitory stimuli for the same selection of units as in <b>A</b>. <b>C</b> For comparison, optimal stimuli of complex cells of mature cats with normal visual experience estimated by Felsen et al. (2005) <a href="http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1003564#pcbi.1003564-Felsen1" target="_blank">[50]</a>.</p>