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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Neurotoxicology. 2018 Nov 12;70:72–79. doi: 10.1016/j.neuro.2018.11.004

Figure 3.

Figure 3.

Substitution for the discriminative stimulus effects of Δ9-tetrahydrocannabinol: Top panels show percentage of total responses made on the drug-appropriate lever. Bottom panels show rate of responding in responses per second (r/s). All of the cathinones fully substituted for the discriminative stimulus effects of Δ9-tetrahydrocannabinol (≥80% drug-appropriate responding). n=6 unless otherwise shown. Ctrl indicates vehicle and Δ9-THC control values. * indicates response rate different from vehicle control (p < 0.05).