1. Professor Channi Kumar

   • Ian Stolerman

   Obituary Pages: 351 - 352

2. The memory enhancing effects of a Ginkgo biloba/Panax ginseng combination in healthy middle-aged volunteers

   • K.A. Wesnes
   • T. Ward
   • O. Petrini

   Original Investigation Pages: 353 - 361

3. The effects of d-amphetamine, chlordiazepoxide, α-flupenthixol and behavioural manipulations on choice of signalled and unsignalled delayed reinforcement in rats

   • Rudolf N. Cardinal
   • Trevor W. Robbins
   • Barry J. Everitt

   Original Investigation Pages: 362 - 375

4. Acute exposure to caffeine selectively disrupts context conditioning in rats

   • Keith P. Corodimas
   • Jennifer C. Pruitt
   • Jennifer M. Stieg

   Original Investigation Pages: 376 - 382

5. Prefrontal cortical hypometabolism during low-dose interferon alpha treatment

   • Freimut D. Juengling
   • Dieter Ebert
   • Klaus Lieb

   Original Investigation Pages: 383 - 389

6. Effects of central 5-hydroxytryptamine depletion on sensitivity to delayed and probabilistic reinforcement

   • S. Mobini
   • T.-J. Chiang
   • E. Szabadi

   Original Investigation Pages: 390 - 397

7. Effects of GABA agonists and GABA-A receptor modulators on cocaine discrimination in rhesus monkeys

   • S. Stevens Negus
   • Nancy K. Mello
   • Peter A. Fivel

   Original Investigation Pages: 398 - 407

8. Association between the serotonin 2C receptor gene and tardive dyskinesia in chronic schizophrenia: additive contribution of 5-HT2C_ser and DRD3_gly alleles to susceptibility

   • Ronnen H. Segman
   • Uriel Heresco-Levy
   • Bernard Lerer

   Original Investigation Pages: 408 - 413

9. Self-administration of two long-acting monoamine transport blockers in rhesus monkeys

   • Joshua A. Lile
   • Drake Morgan
   • Michael A. Nader

   Original Investigation Pages: 414 - 421

10. Effects of opioid receptor blockade on defensive behavior elicited by electrical stimulation of the aversive substrates of the inferior colliculus in Rattus norvegicus (Rodentia, Muridae)

    • N.C. Coimbra
    • M.Y. Osaki
    • C.R. Biojone

    Original Investigation Pages: 422 - 430

11. Periodic postpartum separation from the offspring results in long-lasting changes in anxiety-related behaviors and sensitivity to morphine in Long-Evans mother rats

    • Mikhail Kalinichev
    • Keith W. Easterling
    • Stephen G. Holtzman

    Original Investigation Pages: 431 - 439

12. Effects of repeated withdrawal from continuous amphetamine administration on brain reward function in rats

    • Neil E. Paterson
    • Cynthia Myers
    • Athina Markou

    Rapid Communication Pages: 440 - 446