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Examples of the effect of CA on single-unit responses evoked by fictive whisking in four different cells (A–D). PSTHs are shown before and during application of CA (0.5 mm) for two fictive whisking frequencies (0.5 and 5 Hz). Bottom, The difference (CA − Control) between the drug and the control period responses to denote the changes produced by CA. Note that CA typically enhances the evoked responses. The p values of the paired comparison test (Wilcoxon) are displayed.
