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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Psychopharmacology (Berl). 2015 Nov 27;233(5):761–771. doi: 10.1007/s00213-015-4154-0

Fig. 3.

Fig. 3

The effect of ketamine on performance of a reversal learning task in middle-aged/aged pigtail monkeys. (A) Dose-related effects on accuracy 45 min after the i.m. injection of ketamine or vehicle (saline). (B) Dose related effects on the number of perseverative errors 45 min after the i.m. injection of ketamine or vehicle (saline). (C) Dose related effects on the number of regressive errors 45 min after the i.m. injection of ketamine or vehicle (saline). Each bar represents the mean ± S.E.M. **p<0.01, ***p<0.001 = significant difference from vehicle-related response. N=6.