1. Effects of procyclidine on prepulse inhibition of the acoustic startle response in healthy human volunteers

   • V. Kumari
   • E. Zachariah
   • T. Sharma

   Original Investigation Pages: 221 - 229

2. Effects of buprenorphine/naloxone in opioid-dependent humans

   • Kenneth B. Stoller
   • George E. Bigelow
   • Eric C. Strain

   Original Investigation Pages: 230 - 242

3. Delay discounting of money and alcohol in actively using alcoholics, currently abstinent alcoholics, and controls

   • Nancy M. Petry

   Original Investigation Pages: 243 - 250

4. 3,4-Methylenedioxymethamphetamine induces monoamine release, but not toxicity, when administered centrally at a concentration occurring following a peripherally injected neurotoxic dose

   • Blanca Esteban
   • Esther O'Shea
   • M. Isabel Colado

   Original Investigation Pages: 251 - 260

5. Effects of nitric oxide synthase inhibitors on the discriminative stimulus effects of cocaine in rats

   • Stephanie L. Collins
   • Melissa A. Edwards
   • Kathleen M. Kantak

   Original Investigation Pages: 261 - 273

6. Methadone patients exhibit increased startle and cortisol response after intravenous yohimbine

   • Susan M. Stine
   • Christian G. Grillon
   • John H. Krystal

   Original Investigation Pages: 274 - 281

7. Effects of 12-h tobacco deprivation on event-related potentials elicited by visual smoking cues

   • Bruce E. McDonough
   • Charles A. Warren

   Original Investigation Pages: 282 - 291

8. Repeated self-administered cocaine "binges" in rats: effects on cocaine intake and withdrawal

   • Nicole H. Mutschler
   • Herbert E. Covington III
   • Klaus A. Miczek

   Original Investigation Pages: 292 - 300

9. Dopamine, but not glutamate, receptor blockade in the basolateral amygdala attenuates conditioned reward in a rat model of relapse to cocaine-seeking behavior

   • Ronald E. See
   • Paul J. Kruzich
   • Jeffrey W. Grimm

   Original Investigation Pages: 301 - 310

10. Effects of ketoconazole on the acquisition of intravenous cocaine self-administration under different feeding conditions in rats

    • Una C. Campbell
    • Marilyn E. Carroll

    Original Investigation Pages: 311 - 318

11. Acute dietary tryptophan depletion impairs maintenance of "affective set" and delayed visual recognition in healthy volunteers

    • J.S. Rubinsztein
    • R.D. Rogers
    • B.J. Sahakian

    Original Investigation Pages: 319 - 326