1. Effects of prepulses and d-amphetamine on performance and event-related potential measures on an auditory discrimination task

   • S. Kröner
   • U. Schall
   • S. V. Catts

   Original Investigation Pages: 123 - 132

2. Changes in sleep after acute and repeated administration of nicotine in the rat

   • Rafael J. Salin-Pascual
   • Maria Luisa Moro-Lopez
   • Carlos Blanco-Centurion

   Original Investigation Pages: 133 - 138

3. Midazolam effects on implicit and explicit memory processes in healthy subjects

   • C. Thomas-Antérion
   • O. Koenig
   • B. Laurent

   Original Investigation Pages: 139 - 143

4. Repeated limited access to IV cocaine self-administration: conditioned autonomic rhythmicity illustrating ”predictive homeostasis”

   • Walter Tornatzky
   • Klaus A. Miczek

   Original Investigation Pages: 144 - 152

5. The interaction of cocaethylene and cocaine and of cocaethylene and alcohol on schedule-controlled responding in rats

   • B.-F. X. Sobel
   • Anthony L. Riley

   Original Investigation Pages: 153 - 161

6. Onset, magnitude and duration of opioid blockade produced by buprenorphine and naltrexone in humans

   • Kory J. Schuh
   • S. L. Walsh
   • Maxine L. Stitzer

   ORIGINAL INVESTIGATION Pages: 162 - 174

7. Platelet membrane fluidity individuals at risk for Alzheimer’s disease: a comparison of results from fluorescence spectroscopy and electron spin resonance spectroscopy

   • George S. Zubenko
   • Ursula Kopp
   • Leonard L. Firestone

   ORIGINAL INVESTIGATION Pages: 175 - 180

8. The influences of age and caffeine on psychomotor and cognitive function

   • Katy Rees
   • D. Allen
   • Malcolm Lader

   ORIGINAL INVESTIGATION Pages: 181 - 188

9. Effects of itraconazole on the steady-state plasma concentrations of bromperidol and reduced bromperidol in schizophrenic patients

   • Hanako Furukori
   • T. Kondo
   • Yoshimasa Inoue

   Original Investigation Pages: 189 - 192

10. Interactive effects of subanesthetic ketamine and haloperidol in healthy humans

    • John H. Krystal
    • D. Cyril D’Souza
    • M. B. Bowers

    ORIGINAL INVESTIGATION Pages: 193 - 204

11. Reinforcing and discriminative stimulus effects of the neuroactive steroids pregnanolone and Co 8-7071 in rhesus monkeys

    • James K. Rowlett
    • Gail Winger
    • W. L. Woolverton

    Original Investigation Pages: 205 - 212

12. Dissociating neuromodulatory effects of diazepam on episodic memory encoding and executive function

    • J. T. Coull
    • C. D. Frith
    • R. J. Dolan

    Original Investigation Pages: 213 - 222

13. Zolmitriptan-induced growth hormone release in humans: mediation by 5-HT1D receptors?

    • R. Whale
    • Z. Bhagwagar
    • P. J. Cowen

    Original Investigation Pages: 223 - 226

14. Pretreatment with the putative anti-addictive drug, ibogaine, increases the potency of cocaine to elicit locomotor responding: a study with acute and chronic cocaine-treated rats

    • K. K. Szumlinski
    • Isabelle M. Maisonneuve
    • Stanley D. Glick

    Original Investigation Pages: 227 - 233

15. Medial prefrontal cortex is involved in the discriminative stimulus effects of nicotine in rats

    • H. Miyata
    • K. Ando
    • T. Yanagita

    Rapid Communication Pages: 234 - 236