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. Author manuscript; available in PMC: 2008 Jul 1.
Published in final edited form as: Hear Res. 2007 Jan 16;229(1-2):171–179. doi: 10.1016/j.heares.2007.01.005

Fig. 1.

Fig. 1

Mean cross-correlation functions derived from cortical activity in rats that had repeatedly heard one of three sets of tonal stimuli paired with electrical activation of Nucleus Basalis compared with experimentally naïve control rats. The standard error of the mean is shown for each function. Activity recorded within 100 ms of tone onset is considered driven (a) and activity recorded 250–500 ms after tone onset is considered spontaneous (b).