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. Author manuscript; available in PMC: 2015 May 25.
Published in final edited form as: Eur J Pharmacol. 2008 Nov 9;602(1):78–84. doi: 10.1016/j.ejphar.2008.11.001

Fig. 2.

Fig. 2

Effects of chronic clozapine and repeated PCP administration on ICSS reward thresholds (n = 10-11 per group). Values (mean ± S.E.M.) are expressed as percent of baseline reward thresholds (average threshold values on the 5 days preceding the first PCP administration). †††P < 0.001, statistically significant difference compared with baseline reward thresholds; ###P < 0.001, statistically significant difference compared with performance during minipump exposure in the absence of PCP administration. The gray shaded area indicates the period of minipump treatment. ↑ denotes a subcutaneous PCP injection.