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. Author manuscript; available in PMC: 2021 Jun 22.
Published in final edited form as: Brain Struct Funct. 2020 Apr 3;225(3):1073–1088. doi: 10.1007/s00429-020-02059-w

Fig. 3.

Fig. 3

a Active and inactive lever responses during 30 min sucrose self-administration sessions. b Active lever responses during timeout period. c Average number of sucrose deliveries earned per progressive-ratio session with corresponding number of required lever presses. d Cumulative active lever responding across progressive-ratio sessions. n = 8 D1RshRNA and n = 8 D1R-intact rats. Solid line is the average cumulative responses and dotted lines are ± SEM. *p < 0.05 vs. D1R-intact rats overall