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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Behav Pharmacol. 2021 Feb 1;32(1):21–31. doi: 10.1097/FBP.0000000000000598

Fig. 4.

Fig. 4.

Effects of the estrous cycle on the demand intensity and elasticity. Two groups were tested during diestrus and proestrus/estrus, respectively. Top Panel: Effects on the demand intensity. Middle Panel: Effects on the demand intensity. Bottom Panel: the demand curves during diestrus and proestrus/estrus. A two-way mixed ANOVA analysis revealed a significant effect of the cycle on the elasticity (F1, 12 = 5.290, p = 0.04) but not intensity. The different levels of cocaine intake at two training doses had no significant effects.