1. Renewal effect: context-dependent extinction of a cocaine- and a morphine-induced conditioned floor preference

   • Linda A. Parker
   • Cheryl L. Limebeer
   • Jessica Slomke

   Original Investigation 01 June 2006 Pages: 133 - 137

   

2. An operant determination of the behavioral mechanism of benzodiazepine enhancement of food intake

   • E. O’Hare
   • E-M. Kim
   • K. J. Tierney

   Original Investigation 21 May 2006 Pages: 138 - 142

   

3. Morphine-conditioned single-trial place preference: role of nucleus accumbens shell dopamine receptors in acquisition, but not expression

   • Sandro Fenu
   • Liliana Spina
   • Gaetano Di Chiara

   Original Investigation 25 May 2006 Pages: 143 - 153

   

4. The acute effects of d-amphetamine and methamphetamine on attention and psychomotor performance

   • Beata Y. Silber
   • Rodney J. Croft
   • Con Stough

   Original Investigation 08 June 2006 Pages: 154 - 169

5. Factors producing a menopausal depressive-like state in mice following ovariectomy

   • Naoko Bekku
   • Hiroyuki Yoshimura
   • Hiroaki Araki

   Original Investigation 21 June 2006 Pages: 170 - 180

   

6. Inhibition of both α7* and β2* nicotinic acetylcholine receptors is necessary to prevent development of sensitization to cocaine-elicited increases in extracellular dopamine levels in the ventral striatum

   • Lara Zanetti
   • Alban de Kerchove D’Exaerde
   • Michele Zoli

   Original Investigation 01 June 2006 Pages: 181 - 188

   

7. Genetic dissociation of two behaviors associated with nicotine addiction: Beta-2 containing nicotinic receptors are involved in nicotine reinforcement but not in withdrawal syndrome

   • M. Besson
   • V. David
   • S. Granon

   Original Investigation 03 June 2006 Pages: 189 - 199

   

8. The effect of acute tryptophan depletion on the BOLD response during performance monitoring and response inhibition in healthy male volunteers

   • Elisabeth A. T. Evers
   • Frederik M. van der Veen
   • Jelle Jolles

   Original Investigation 19 May 2006 Pages: 200 - 208

   

9. Allopregnanolone concentration and mood—a bimodal association in postmenopausal women treated with oral progesterone

   • Lotta Andréen
   • Inger Sundström-Poromaa
   • Torbjörn Bäckström

   Original Investigation 25 May 2006 Pages: 209 - 221

   

10. Dysfunction of ventral striatal reward prediction in schizophrenic patients treated with typical, not atypical, neuroleptics

    • Georg Juckel
    • Florian Schlagenhauf
    • Andreas Heinz

    Original Investigation 24 May 2006 Pages: 222 - 228

    

11. Evaluation of factors influencing medication compliance in inpatient treatment of psychotic disorders

    • Birgit Janssen
    • Wolfgang Gaebel
    • Stefan Weinmann

    Original Investigation 19 May 2006 Pages: 229 - 236

12. Differential roles of amygdaloid nuclei in the anxiolytic- and antidepressant-like effects of the V1b receptor antagonist, SSR149415, in rats

    • N. Salomé
    • J. Stemmelin
    • G. Griebel

    Original Investigation 02 June 2006 Pages: 237 - 244

    

13. Alterations in behavioral flexibility by cannabinoid CB₁ receptor agonists and antagonists

    • Matthew N. Hill
    • Larissa M. Froese
    • Stan B. Floresco

    Original Investigation 03 June 2006 Pages: 245 - 259

    

14. No effects of enhanced central norepinephrine on finger-sequence learning and attention

    • Christian Plewnia
    • Julia Hoppe
    • Christian Gerloff

    Original investigation 10 June 2006 Pages: 260 - 265