1. Notice of Special Issue of Psychopharmacology: ”Drugs and impulsivity: current theories, methods and results”

   • H. de Wit
   • Trevor W. Robbins

   EDITORIAL Pages: 249 - 249

2. Discriminative stimulus effects of S(−)–methcathinone (CAT): a potent stimulant drug of abuse

   • R. Young
   • Richard A. Glennon

   ORIGINAL INVESTIGATION Pages: 250 - 256

3. Behavioral effects of nicotine, amphetamine and cocaine under a fixed-interval schedule of food reinforcement in rats chronically exposed to caffeine

   • Maria Jaszyna
   • Maciej Gasior
   • S. R. Goldberg

   Original Investigation Pages: 257 - 271

4. Facilitation of stimulus detection performance of rats with d-amphetamine: a function of dose and level of training

   • D. M. Grilly
   • Paul J. Pistell
   • Barbara B. Simon

   Original Investigation Pages: 272 - 278

5. Effect of histamine H2 and H3 receptor modulation in the septum on post-training memory processing

   • James F. Flood
   • Kayoko Uezu
   • John E. Morley

   ORIGINAL INVESTIGATION Pages: 279 - 284

6. Oxotremorine suppresses thalamocortical oscillations via thalamic muscarinic acetylcholine receptors

   • J. Puoliväli
   • P. Jäkälä
   • P. Riekkinen Jr.

   ORIGINAL INVESTIGATION Pages: 285 - 292

7. Gepirone and 1-(2-pyrimidinyl)-piperazine in vitro: human cytochromes mediating transformation and cytochrome inhibitory effects

   • L. L. von Moltke
   • D. J. Greenblatt
   • R. I. Shader

   ORIGINAL INVESTIGATION Pages: 293 - 299

8. Effects of intra-amygdala R(+) 7-OH-DPAT on intra-accumbens d-amphetamine-associated learning I. Pavlovian conditioning

   • P. K. Hitchcott
   • G. D. Phillips

   ORIGINAL INVESTIGATION Pages: 300 - 309

9. Effects of intra-amygdala R(+) 7-OH-DPAT on intra-accumbens d-amphetamine-associated learning II. Instrumental conditioning

   • P. K. Hitchcott
   • G. D. Phillips

   ORIGINAL INVESTIGATION Pages: 310 - 318

10. The pharmacology of impulsive behaviour in rats IV: the effects of selective serotonergic agents on a paced fixed consecutive number schedule

    • J. L. Evenden

    ORIGINAL INVESTIGATION Pages: 319 - 330

11. Acquisition, maintenance and reinstatement of intravenous cocaine self-administration under a second-order schedule of reinforcement in rats: effects of conditioned cues and continuous access to cocaine

    • Mercedes Arroyo
    • Athina Markou
    • B. J. Everitt

    Original Investigation Pages: 331 - 344

12. An investigation of the effects of benzodiazepine receptor ligands and of scopolamine on conceptual priming

    • K. I. Bishop
    • H. Valerie Curran

    ORIGINAL INVESTIGATION Pages: 345 - 353

13. Post-session sulpiride infusions within the perifornical region of the lateral hypothalamus enhance consolidation of associative learning

    • G. D. Phillips
    • Sara L. Morutto

    ORIGINAL INVESTIGATION Pages: 354 - 364

14. Sumatriptan (5-HT1D receptor agonist) does not exacerbate symptoms in obsessive compulsive disorder

    • Kamini L. Ho Pian
    • H. G. M. Westenberg
    • Johan A. den Boer

    ORIGINAL INVESTIGATION Pages: 365 - 370

15. The nitric oxide synthesis inhibitor nitro-L-arginine (L-NNA) attenuates nicotine abstinence syndrome in the rat

    • D. H. Malin
    • J. Ronald Lake
    • Chris D. Cadle

    ORIGINAL INVESTIGATION Pages: 371 - 377

16. Resistance of neuronal nitric oxide synthase-deficient mice to cocaine-induced locomotor sensitization

    • Y. Itzhak
    • Syed F. Ali
    • Paul L. Huang

    Original Investigation Pages: 378 - 386