1. A labor-supply analysis of cocaine self-administration under progressive-ratio schedules: antecedents, methodologies, and perspectives

   • J. K. Rowlett

   Review Pages: 1 - 16

2. Second-order schedules of drug reinforcement in rats and monkeys: measurement of reinforcing efficacy and drug-seeking behaviour

   • Barry J. Everitt
   • Trevor W. Robbins

   Review Pages: 17 - 30

3. Conditioned place preference: what does it add to our preclinical understanding of drug reward?

   • M.T. Bardo
   • R.A. Bevins

   Review Pages: 31 - 43

4. Deconstructing relative reinforcing efficacy and situating the measures of pharmacological reinforcement with behavioral economics: a theoretical proposal

   • Warren K. Bickel
   • Lisa A. Marsch
   • Marilyn E. Carroll

   Review Pages: 44 - 56

5. Toward a mathematical description of dose-effect functions for self-administered drugs in laboratory animal models

   • Glen M. Sizemore
   • Thomas J. Martin

   Review Pages: 57 - 66

6. Agonist efficacy, drug dependence, and medications development: preclinical evaluation of opioid, dopaminergic, and GABA_A-ergic ligands

   • J. Bergman
   • C.P. France
   • D.N. Stephens

   Review Pages: 67 - 84

7. d-Amphetamine increases choice of cigarette smoking over monetary reinforcement

   • Jennifer W. Tidey
   • Suzanne C. O'Neill
   • Stephen T. Higgins

   Original Investigation Pages: 85 - 92

8. Kappa-opioid receptors and relapse-like drinking in long-term ethanol-experienced rats

   • Sabine M. Hölter
   • Markus S.H. Henniger
   • Rainer Spanagel

   Original Investigation Pages: 93 - 102

9. Reinforcing and discriminative stimulus effects of RTI 111, a 3-phenyltropane analog, in rhesus monkeys: interaction with methamphetamine

   • Robert Ranaldi
   • Karen G. Anderson
   • William L. Woolverton

   Original Investigation Pages: 103 - 110

10. The effects of excitotoxic lesions of the basolateral amygdala on the acquisition of heroin-seeking behaviour in rats

    • Helen L. Alderson
    • Trevor W. Robbins
    • Barry J. Everitt

    Original Investigation Pages: 111 - 119

11. Heroin self-administration under a second-order schedule of reinforcement: acquisition and maintenance of heroin-seeking behaviour in rats

    • Helen L. Alderson
    • Trevor W. Robbins
    • Barry J. Everitt

    Original Investigation Pages: 120 - 133

12. Reinforcing effects of contingently administered subcutaneous injections of etonitazene in rats

    • Thomas H. Gomez
    • Richard A. Meisch

    Original Investigation Pages: 134 - 138

13. On the relationship between the dopamine transporter and the reinforcing effects of local anesthetics in rhesus monkeys: practical and theoretical concerns

    • Kristin M. Wilcox
    • James K. Rowlett
    • William L. Woolverton

    Original Investigation Pages: 139 - 147

14. Abuse liability of the anesthetic propofol: self-administration of propofol in rats under fixed-ratio schedules of drug delivery

    • Mark G. LeSage
    • David Stafford
    • John R. Glowa

    Original Investigation Pages: 148 - 154