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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Psychopharmacology (Berl). 2018 Jan 29;235(4):1179–1189. doi: 10.1007/s00213-018-4834-7

Figure 3. Extinction of self-administration.

Figure 3

(2A) Baseline (“B”) number of active lever presses during the last two days of acquisition compared to active lever presses on Day 1 (“D1”) and Day 10 (“D10”) of the extinction protocol. (2B) Percent accuracy responding on the active lever at acquisition baseline, Day 1 and Day 10 of extinction. Each data point represents an individual animal and error bars are standard error of the mean.