1. Changes in the rewarding effects induced by tramadol and its active metabolite M1 after sciatic nerve injury in mice

   • Atsushi Nakamura
   • Minoru Narita
   • Tsutomu Suzuki

   Original Investigation 29 August 2008 Pages: 307 - 316

   

2. Efficacy and safety of bifeprunox in patients with an acute exacerbation of schizophrenia: results from a randomized, double-blind, placebo-controlled, multicenter, dose-finding study

   • Daniel E. Casey
   • Earl E. Sands
   • Hwa-Ming Yang

   Original Investigation 04 July 2008 Pages: 317 - 331

   

3. An endocannabinoid signaling system modulates anxiety-like behavior in male Syrian hamsters

   • Anna M. Moise
   • Sarah A. Eisenstein
   • Andrea G. Hohmann

   Original Investigation 11 June 2008 Pages: 333 - 346

   

4. Effects of chronic buprenorphine treatment on levels of nucleus accumbens glutamate and on the expression of cocaine-induced behavioral sensitization in rats

   • F. M. Placenza
   • H. Rajabi
   • J. Stewart

   Original Investigation 05 July 2008 Pages: 347 - 355

   

5. Contextual stimuli modulate extinction and reinstatement in rodents self-administering intravenous nicotine

   • Victoria C. Wing
   • Mohammed Shoaib

   Original Investigation 28 June 2008 Pages: 357 - 365

   

6. Adaptations in pre- and postsynaptic 5-HT_1A receptor function and cocaine supersensitivity in serotonin transporter knockout rats

   • Judith R. Homberg
   • Sietse F. De Boer
   • Edwin Cuppen

   Original Investigation Open access 27 June 2008 Pages: 367 - 380

   

7. Epinephrine administration at birth prevents long-term changes in dopaminergic parameters caused by Cesarean section birth in the rat

   • Patricia Boksa
   • Ying Zhang

   Original Investigation 11 June 2008 Pages: 381 - 391

   

8. The effects of adenosine A_2A receptor antagonists on haloperidol-induced movement disorders in primates

   • Geoffrey B. Varty
   • Robert A. Hodgson
   • John C. Hunter

   Original Investigation 03 July 2008 Pages: 393 - 401

   

9. Effects of nicotine on quinpirole- and dizocilpine (MK-801)-induced sensorimotor gating impairments in rats

   • Amy A. Nespor
   • Yousef Tizabi

   Original Investigation 09 July 2008 Pages: 403 - 411

   

10. Effects of adolescent fluoxetine treatment on fear-, anxiety- or stress-related behaviors in C57BL/6J or BALB/cJ mice

    • Maxine Norcross
    • Mathur Poonam
    • Andrew Holmes

    Original Investigation 02 July 2008 Pages: 413 - 424

    

11. Auditory event-related potentials (P3) and cognitive performance in recreational ecstasy polydrug users: evidence from a 12-month longitudinal study

    • Susana de Sola
    • Thais Tarancón
    • Rafael de la Torre

    Original Investigation 26 June 2008 Pages: 425 - 437

12. Positron emission tomographic studies of brain dopamine and serotonin transporters in abstinent (±)3,4-methylenedioxymethamphetamine (“ecstasy”) users: relationship to cognitive performance

    • Una D. McCann
    • Zsolt Szabo
    • George A. Ricaurte

    Original Investigation 27 July 2008 Pages: 439 - 450

    

13. Response to the comments by Cassel et al.

    • G. J. H. Dumont
    • R. J. Verkes
    • J. M. A. van Gerven

    Letter to the Editors Open access 02 September 2008 Pages: 451 - 452

14. Effects of adolescent fluoxetine treatment on fear-, anxiety-or stress-related behaviors in C57BL/6J or BALB/cJ mice

    • Maxine Norcross
    • Poonam Mathur
    • Andrew Holmes

    Erratum 02 September 2008 Pages: 453 - 453