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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Psychopharmacology (Berl). 2018 Jan 6;235(3):607–626. doi: 10.1007/s00213-017-4825-0

Figure 1.

Figure 1

Effects of memantine on delay discounting. (a) Mean (±SEM) raw proportion of responses for the large magnitude reinforcer as a function of delay. (b) Mean (±SEM) A and k parameter estimates derived from the hyperbolic discounting function. (c) Mean (±SEM) AUC values. *p < .05, relative to vehicle. These graphs were derived from data previously published (Yates et al. 2017a). Note, for simplicity, only the dose that produced statistically significant differences in performance is included.