1. An additive factor analysis of the effect of sub-anaesthetic doses of nitrous oxide on information processing: evidence for an impairment of the motor adjustment stage

   • Alain Courtière
   • Jeannine Hardouin
   • Thierry Hasbroucq

   Original Investigation Pages: 321 - 328

2. Pretreatment with serotonin 5-HT₃ receptor antagonists produces no observable blockade of long-term motor sensitization to cocaine in rats

   • Karen K. Szumlinski
   • Kelly A. Frys
   • Peter W. Kalivas

   Original Investigation Pages: 329 - 336

3. Alterations in nerve terminal glutamate immunoreactivity in the nucleus accumbens and ventral tegmental area following single and repeated doses of cocaine

   • L. Kozell
   • C. Meshul

   Original Investigation Pages: 337 - 345

4. Sensitization of cortical acetylcholine release by repeated administration of nicotine in rats

   • Moore H. Arnold
   • Christopher L. Nelson
   • John P. Bruno

   Original Investigation Pages: 346 - 358

5. Neurochemical and behavioral differences between d-methamphetamine and d-amphetamine in rats

   • James R. Shoblock
   • Eric B. Sullivan
   • Stanley D. Glick

   Original Investigation Pages: 359 - 369

6. Cannabinoid influences on palatability: microstructural analysis of sucrose drinking after Δ⁹-tetrahydrocannabinol, anandamide, 2-arachidonoyl glycerol and SR141716

   • Suzanne Higgs
   • Claire M. Williams
   • Tim C. Kirkham

   Original Investigation Pages: 370 - 377

7. Affinity and specificity of N-methyl-D-aspartate channel blockers affect their ability to disrupt prepulse inhibition of acoustic startle in rats

   • Jenny L. Wiley
   • Sarah A. Harvey
   • Katherine L. Nicholson

   Original Investigation Pages: 378 - 385

8. Clozapine improves deficient inhibitory auditory processing in DBA/2 mice, via a nicotinic cholinergic mechanism

   • Johanna K. Simosky
   • Karen E. Stevens
   • Robert Freedman

   Original Investigation Pages: 386 - 396

9. Lobeline does not serve as a reinforcer in rats

   • Steven B. Harrod
   • Linda P. Dwoskin
   • Michael T. Bardo

   Original Investigation Pages: 397 - 404

10. Investigating the actions of bupropion on dependence-related effects of nicotine in rats

    • Mohammed Shoaib
    • Nimish Sidhpura
    • Sajid Shafait

    Original Investigation Pages: 405 - 412

11. Dissociating anorexia and anhedonia elicited by interleukin-1β: antidepressant and gender effects on responding for "free chow" and "earned" sucrose intake

    • Zul Merali
    • Kelly Brennan
    • Hymie Anisman

    Original Investigation Pages: 413 - 418

12. Effects of risperidone on psychometric and cognitive functions in healthy elderly volunteers

    • H. Allain
    • C. Tessier
    • P. Bouhours

    Original Investigation Pages: 419 - 429

13. Ultrarapid high-dose methadone detoxification

    • Isidro J. Prieto
    • Rosa Poyo-Guerrero
    • Enriqueta Ochoa

    Letter to the Editors 19 December 2002 Pages: 430 - 430

14. Cannabis is more than simply Δ⁹-tetrahydrocannabinol

    • Ethan B. Russo
    • John M. McPartland

    Letter to the Editors 19 December 2002 Pages: 431 - 432

15. Cannabis versus THC: response to Russo and McPartland

    • Mahmoud A. ElSohly
    • Stephen R. Wachtel
    • Harriet de Wit

    Letter to the Editors 19 December 2002 Pages: 433 - 434