1. Subjective and cardiovascular effects of intravenous nicotine in smokers and non-smokers

   • Rebeca Soria
   • June M. Stapleton
   • E. D. London

   ORIGINAL INVESTIGATION Pages: 221 - 226

2. The effects of early postnatal stimulation on Morris water-maze acquisition in adult mice: genetic and maternal factors

   • Marilee D. Zaharia
   • Jerzy Kulczycki
   • H. Anisman

   ORIGINAL INVESTIGATION Pages: 227 - 239

3. Autoradiographic localisation of D3-dopamine receptors in the human brain using the selective D3-dopamine receptor agonist (+)-[3H]PD 128907

   • H. Hall
   • C. Halldin
   • Göran Sedvall

   ORIGINAL INVESTIGATION Pages: 240 - 247

4. Associative and non-associative mechanisms of morphine analgesic tolerance are neurochemically distinct in the rat spinal cord

   • J. E. Grisel
   • Linda R. Watkins
   • Steven F. Maier

   ORIGINAL INVESTIGATION Pages: 248 - 255

5. Activational effects of social stress on IV cocaine self-administration in rats

   • K. A. Miczek
   • Nicole H. Mutschler
   • K. A. Mizcek

   ORIGINAL INVESTIGATION Pages: 256 - 264

6. Progressive ratio and behavioral economic evaluation of the reinforcing efficacy of orally delivered phencyclidine and ethanol in monkeys: effects of feeding conditions

   • J. S. Rodefer
   • Marilyn E. Carroll

   ORIGINAL INVESTIGATION Pages: 265 - 273

7. Rebound responding following a single dose of drug using an amphetamine-vehicle-haloperidol drug discrimination

   • W. F. Caul
   • Robert J. Barrett
   • Jonathan R. Stadler

   ORIGINAL INVESTIGATION Pages: 274 - 279

8. Role of GABA-A and mitochondrial diazepam binding inhibitor receptors in the anti-stress activity of neurosteroids in mice

   • Doodipala Samba Reddy
   • S. K. Kulkarni

   ORIGINAL INVESTIGATION Pages: 280 - 292

9. Effects of 5-HT1A receptor agonists, partial agonists and a silent antagonist on the performance of the conditioned emotional response test in the rat

   • K. J. Stanhope
   • C. T. Dourish

   ORIGINAL INVESTIGATION Pages: 293 - 303

10. Long-term haloperidol administration enhances and short-term administration attenuates the behavioral effects of cocaine in a place conditioning procedure

    • Therese A. Kosten
    • Jenine L. DeCaprio
    • Eric J. Nestler

    ORIGINAL INVESTIGATION Pages: 304 - 312

11. CP-135,807, a selective 5-HT1D agonist: effects in drug discrimination and punishment procedures in the pigeon

    • R. S. Mansbach
    • Charles C. Rovetti
    • J. E. Macor

    ORIGINAL INVESTIGATION Pages: 313 - 319

12. N-Methyl-D-aspartate (NMDA) and α-amino-3-hydroxy-5-methyl-4- isoxazoleproprionate (AMPA) glutamate-receptor antagonists have different interactions with the discriminative stimuli of abused drugs

    • A. Jackson
    • Geraldine Brown
    • David N. Stephens

    ORIGINAL INVESTIGATION Pages: 320 - 327

13. Behavioral differences between two inbred strains of Fawn-Hooded rat: a model of serotonin dysfunction

    • D. H. Overstreet
    • Amir H. Rezvani

    RAPID COMMUNICATION Pages: 328 - 330