Skip to main content
. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Pharmacol Biochem Behav. 2020 Oct 24;199:173061. doi: 10.1016/j.pbb.2020.173061

Figure 5:

Figure 5:

Mean (±SEM) tail withdrawal latency for A) Cohorts 1 and 2 (N=16); B) Cohort 2 (N=8) rats before and after a 30 min heroin vapor session; C) Correlation of individual (N=8) withdrawal latency with the number of reinforcers obtained in the prior self-administration session for the 30 min vapor inhalation experiment; D) Male Wistar (N=17) rats trained in intravenous heroin self-administration and assessed before and after the session. A significant difference between assessments is indicated with *.