1. Serotonin transporter-linked polymorphic region (5-HTTLPR) genotype is associated with cortisol responsivity to naloxone challenge

   • Mary Ann C. Stephens
   • Mary E. McCaul
   • Gary Wand

   Original Investigation 24 May 2012 Pages: 223 - 230

   

2. LY2033298, a positive allosteric modulator at muscarinic M₄ receptors, enhances inhibition by oxotremorine of light-induced phase shifts in hamster circadian activity rhythms

   • Robert L. Gannon
   • Mark J. Millan

   Original Investigation 18 May 2012 Pages: 231 - 240

   

3. Reduced activity at the 5-HT_2C receptor enhances reversal learning by decreasing the influence of previously non-rewarded associations

   • S. R. O. Nilsson
   • T. L. Ripley
   • P. G. Clifton

   Original Investigation 29 May 2012 Pages: 241 - 254

   

4. The effect of VMAT2 inhibitor GZ-793A on the reinstatement of methamphetamine-seeking in rats

   • Kristin M. Alvers
   • Joshua S. Beckmann
   • Michael T. Bardo

   Original Investigation 26 May 2012 Pages: 255 - 262

   

5. Effects of noradrenergic alpha-2 receptor antagonism or noradrenergic lesions in the ventral bed nucleus of the stria terminalis and medial preoptic area on maternal care in female rats

   • Carl D. Smith
   • M. Allie Holschbach
   • Joseph S. Lonstein

   Original Investigation 29 May 2012 Pages: 263 - 276

   

6. An allosteric enhancer of M₄ muscarinic acetylcholine receptor function inhibits behavioral and neurochemical effects of cocaine

   • Ditte Dencker
   • Pia Weikop
   • Anders Fink-Jensen

   Original Investigation 31 May 2012 Pages: 277 - 287

   

7. Dysregulation of kappa-opioid receptor systems by chronic nicotine modulate the nicotine withdrawal syndrome in an age-dependent manner

   • Hugo A. Tejeda
   • Luis A. Natividad
   • Laura E. O’Dell

   Original Investigation 04 June 2012 Pages: 289 - 301

   

8. Mapping of reinforcing and analgesic effects of the mu opioid agonist Endomorphin-1 in the ventral midbrain of the rat

   • Thomas C. Jhou
   • Sheng-Ping Xu
   • Satoshi Ikemoto

   Original Investigation 06 June 2012 Pages: 303 - 312

   

9. Chronic social defeat stress model: behavioral features, antidepressant action, and interaction with biological risk factors

   • E. Venzala
   • A. L. García-García
   • R. M. Tordera

   Original Investigation 16 June 2012 Pages: 313 - 325

   

10. Effects of acute nicotine on auditory change-related cortical responses

    • Naofumi Otsuru
    • Aki Tsuruhara
    • Ryusuke Kakigi

    Original Investigation 17 June 2012 Pages: 327 - 335

    

11. Higher striatal dopamine transporter density in PTSD: an in vivo SPECT study with [^99mTc]TRODAT-1

    • Marcelo Q. Hoexter
    • Gustavo Fadel
    • Rodrigo A. Bressan

    Original Investigation 15 June 2012 Pages: 337 - 345

    

12. Effectiveness and tolerability of long-acting intramuscular risperidone as adjuvant treatment in refractory borderline personality disorder

    • J. L. Carrasco
    • N. Palomares
    • M. Díaz Marsá

    Letter to the Editor 11 October 2012 Pages: 347 - 348