1. In the ventral tegmental area, G-proteins mediate progesterone’s actions at dopamine type 1 receptors for lordosis of rats and hamsters

   • Sandra M. Petralia
   • Cheryl A. Frye

   Original Investigation 16 February 2006 Pages: 133 - 142

   

2. The group II metabotropic glutamate receptor agonist, LY379268, inhibits both cocaine- and food-seeking behavior in rats

   • Jamie Peters
   • Peter W. Kalivas

   Original Investigation 22 April 2006 Pages: 143 - 149

   

3. Nitric oxide is involved in the memory facilitation induced by spermidine in rats

   • Gustavo Petri Guerra
   • Carlos Fernando Mello
   • Maribel Antonello Rubin

   Original Investigation 07 April 2006 Pages: 150 - 158

   

4. Metabolic correlates of toluene abuse: decline and recovery of function in adolescent animals

   • Wynne K. Schiffer
   • Dianne E. Lee
   • Stephen L. Dewey

   Original Investigation 22 April 2006 Pages: 159 - 167

   

5. Cocaine self-administration in rats with histories of cocaine exposure and discrimination

   • E. Childs
   • M. Shoaib
   • I. P. Stolerman

   Original Investigation 05 April 2006 Pages: 168 - 176

   

6. Development of tolerance and sensitization to different opioid agonists in rats

   • Gisela Grecksch
   • Katharina Bartzsch
   • Thomas Koch

   Original Investigation 30 March 2006 Pages: 177 - 184

   

7. Dopamine D4 receptor polymorphism modulates cue-elicited heroin craving in Chinese

   • Chunhong Shao
   • Yifeng Li
   • Li Jin

   Original Investigation 27 April 2006 Pages: 185 - 190

   

8. Persistent dysfunctional frontal lobe activation in former smokers

   • Andres Neuhaus
   • Malek Bajbouj
   • Jürgen Gallinat

   Original Investigation 13 April 2006 Pages: 191 - 200

   

9. Periadolescent and adult rats respond differently in tests measuring the rewarding and aversive effects of nicotine

   • Megan J. Shram
   • Douglas Funk
   • Anh D. Lê

   Original Investigation 04 April 2006 Pages: 201 - 208

   

10. Antidepressant-like effects of PDE4 inhibitors mediated by the high-affinity rolipram binding state (HARBS) of the phosphodiesterase-4 enzyme (PDE4) in rats

    • Han-Ting Zhang
    • Yu Zhao
    • James M. O’Donnell

    Original Investigation 04 April 2006 Pages: 209 - 217

    

11. Role of 5-HT_1A receptors in the modulation of stress-induced lactate metabolism in the medial prefrontal cortex and basolateral amygdala

    • Takashi Uehara
    • Tomiki Sumiyoshi
    • Masayoshi Kurachi

    Original Investigation 05 April 2006 Pages: 218 - 225

    

12. Interactions between THC and cannabidiol in mouse models of cannabinoid activity

    • S. A. Varvel
    • J. L. Wiley
    • B. R. Martin

    Original Investigation 30 March 2006 Pages: 226 - 234

    

13. Escalation of i.v. cocaine self-administration and reinstatement of cocaine-seeking behavior in rats bred for high and low saccharin intake

    • Jennifer L. Perry
    • Andrew D. Morgan
    • Marilyn E. Carroll

    Original Investigation 05 April 2006 Pages: 235 - 245

    

14. Separable noradrenergic and dopaminergic regulation of prepulse inhibition in rats: implications for predictive validity and Tourette Syndrome

    • Neal R. Swerdlow
    • Michele J. Bongiovanni
    • Jody M. Shoemaker

    Original Investigation 01 April 2006 Pages: 246 - 254

    

15. Delay discounting and the behavioural economics of cigarette purchases in smokers: the effects of nicotine deprivation

    • Matt Field
    • Mary Santarcangelo
    • Jon Cole

    Original Investigation 12 April 2006 Pages: 255 - 263