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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Eur J Neurosci. 2011 Mar 31;33(9):1716–1723. doi: 10.1111/j.1460-9568.2011.07663.x

Figure 2.

Figure 2

Grand averaged late positive potentials (at the average of sites Cz, FCz, FC1, FC2, and Fz) elicited by neutral, pleasant, unpleasant, and cocaine-related pictures for CUD+ (top), CUD− (middle), and control subjects (bottom). Stimulus onset occurred at 0 ms.