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. 2010 Mar 10;30(10):3689–3699. doi: 10.1523/JNEUROSCI.4063-09.2010

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Copyright © 2010 the authors 0270-6474/10/303689-11$15.00/0

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Figure 3. — The intrinsic membrane excitability of NAcSh MSNs was decreased in rats after 2 d withdrawal from 5 d self-administration of cocaine. A, Summarized data showing the procedure of SA with a 2 d withdrawal and the performance of the rats treated with this procedure. B, Example evoked action potentials in two NAcSh MSNs from a saline-pretreated and a cocaine-pretreated rat in A. C, Summarized data showing that the intrinsic membrane excitability of NAcSh MSNs was decreased in rats after 2 d withdrawal from 5 d cocaine SA and with a reexposure to SA boxes. D, The averaged AHPs from all recorded MSNs from saline- and cocaine-pretreated rats. E, Summarized data showing that the mAHP, but not fAHP, was increased in cocaine-pretreated rats. F, Summarized data showing that the intrinsic membrane excitability of NAcSh MSNs was decreased in rats after 2 d withdrawal from 5 d cocaine SA without a reexposure to SA boxes. *p < 0.05.