1. Effects of caffeine on performance and mood: withdrawal reversal is the most plausible explanation

   • Jack E. James
   • Peter J. Rogers

   Review 02 July 2005 Pages: 1 - 8

2. A selective test for antidepressant treatments using rats bred for stress-induced reduction of motor activity in the swim test

   • Charles Hutchison Keesor West
   • Jay Michael Weiss

   Original Investigation 27 July 2005 Pages: 9 - 23

   

3. Antidepressant-like effects of agomelatine, melatonin and the NK₁ receptor antagonist GR205171 in impulsive-related behaviour in rats

   • Florence Loiseau
   • Claudine Le Bihan
   • Marie-Hélène Thiébot

   Original Investigation 29 June 2005 Pages: 24 - 32

   

4. Brain stimulation and morphine reward deficits in dopamine D2 receptor-deficient mice

   • G. I. Elmer
   • J. O. Pieper
   • R. A. Wise

   Original Investigation 31 August 2005 Pages: 33 - 44

   

5. Antidepressant-like effects of Trichilia catigua (Catuaba) extract: evidence for dopaminergic-mediated mechanisms

   • Maria M. Campos
   • Elizabeth S. Fernandes
   • João B. Calixto

   Original Investigation 01 July 2005 Pages: 45 - 53

   

6. Increased salivary cortisol after waking in depression

   • Zubin Bhagwagar
   • Sepehr Hafizi
   • Philip J. Cowen

   Original Investigation 01 July 2005 Pages: 54 - 57

   

7. Effect of repeated administrations of heroin, naltrexone, methadone, and alcohol on morphine glucuronidation in the rat

   • Letizia Antonilli
   • Emma Petecchia
   • Paolo Nencini

   Original Investigation 29 June 2005 Pages: 58 - 64

   

8. Facilitation of brain stimulation reward by MK-801 (dizocilpine) may be independent of D₂-like dopamine receptor stimulation in rats

   • R. L. H. Clements
   • A. J. Greenshaw

   Original Investigation 17 August 2005 Pages: 65 - 74

   

9. Centrally administered orexin A increases motivation for sweet pellets in rats

   • A. J. Thorpe
   • J. P. Cleary
   • C. M. Kotz

   Original Investigation 02 August 2005 Pages: 75 - 83

   

10. Enhanced 5-HT_2C receptor signaling is associated with haloperidol-induced “early onset” vacuous chewing in rats: implications for antipsychotic drug therapy

    • William A. Wolf
    • Gerald J. Bieganski
    • Laurence Mignon

    Original Investigation 29 June 2005 Pages: 84 - 94

    

11. Discriminative stimulus and reinforcing effects of p-fluoro-l-deprenyl in monkeys

    • Sevil Yasar
    • Jozsef Gaal
    • Jack Bergman

    Original Investigation 01 July 2005 Pages: 95 - 103

    

12. Interaction between the antidepressant-like behavioral effects of beta adrenergic agonists and the cyclic AMP PDE inhibitor rolipram in rats

    • Han-Ting Zhang
    • Ying Huang
    • James M. O'Donnell

    Original Innvestigation 12 July 2005 Pages: 104 - 115

    

13. Escalated aggression as a reward: corticosterone and GABA_A receptor positive modulators in mice

    • Eric W. Fish
    • Joseph F. DeBold
    • Klaus A. Miczek

    Original Investigation 13 August 2005 Pages: 116 - 127

    

14. Association study of a novel functional polymorphism of the serotonin transporter gene in bipolar disorder and suicidal behaviour

    • Vincenzo De Luca
    • Subi Tharmalingam
    • James L. Kennedy

    Original Investigation 29 June 2005 Pages: 128 - 131

15. Characterization of the nociceptin receptor (ORL-1) agonist, Ro64-6198, in tests of anxiety across multiple species

    • G. B. Varty
    • L. A. Hyde
    • G. A. Higgins

    Original Investigation 15 July 2005 Pages: 132 - 143

    

16. The effects of dopamine agonists on prepulse inhibition in healthy men depend on baseline PPI values

    • Panos Bitsios
    • Stella G. Giakoumaki
    • Sophia Frangou

    Original Investigation 12 July 2005 Pages: 144 - 152

    

17. An evaluation of the sensitivity of the standardised field sobriety tests to detect the presence of amphetamine

    • Beata Y. Silber
    • Katherine Papafotiou
    • Con K. K. Stough

    Original Investigation 29 June 2005 Pages: 153 - 159

18. The acute effect of alcohol on decision making in social drinkers

    • S. George
    • R. D. Rogers
    • T. Duka

    Original Investigation 20 July 2005 Pages: 160 - 169

    

19. Cholinergic enhancement of episodic memory in healthy young adults

    • Georg Grön
    • Matthias Kirstein
    • Manfred Spitzer

    Original Investigation 14 July 2005 Pages: 170 - 179

    

20. Chronic valproate does not alter the kinetics of docosahexaenoic acid within brain phospholipids of the unanesthetized rat

    • Richard P. Bazinet
    • Jagadeesh S. Rao
    • Ho-Joo Lee

    Original Investigation 29 June 2005 Pages: 180 - 185

21. Reinforcing effects of modafinil: influence of dose and behavioral demands following drug administration

    • William W. Stoops
    • Joshua A. Lile
    • Craig R. Rush

    Original Investigation 29 June 2005 Pages: 186 - 193

    

22. Platelet monoamine oxidase in alcoholism

    • Nela Pivac
    • Dorotea Muck-Seler
    • Martina Dezeljin

    Letter to the Editors 29 June 2005 Pages: 194 - 196