1. Clonidine fails to modify dopaminergic neuronal activity during morphine withdrawal

   • Gabriella Gobbi
   • Anna Muntoni
   • Marco Diana

   Original Investigation Pages: 1 - 6

2. Quitting cigarette smoking produces minimal loss of chronic tolerance to nicotine

   • Kenneth A. Perkins
   • Debra Gerlach
   • Rolf Jacob

   Original Investigation Pages: 7 - 17

3. Conditioned place preference for cocaine is attenuated in mice over-expressing the 5-HT₃ receptor

   • A. Allan
   • R. Galindo
   • D. Savage

   Original Investigation Pages: 18 - 27

4. Effects of amphetamine, dexfenfluramine, diazepam, and other pharmacological and dietary manipulations on food "seeking" and "taking" behavior in non-human primates

   • Richard W. Foltin

   Original Investigation Pages: 28 - 38

5. Stimulation of 5-HT_1A receptors in the dorsal raphe ameliorates the impairment of spatial learning caused by intrahippocampal 7-chloro-kynurenic acid in naive and pretrained rats

   • M. Carli
   • C. Balducci
   • R. Samanin

   Original Investigation Pages: 39 - 47

6. Opposite effects of short- versus long-term administration of fluoxetine on the concentrations of neuroactive steroids in rat plasma and brain

   • Mariangela Serra
   • Giuseppina M. Pisu
   • Giovanni Biggio

   Original Investigation Pages: 48 - 54

7. P300 and symptom improvement in schizophrenia

   • Jürgen Gallinat
   • Michael Riedel
   • Ulrich Hegerl

   Original Investigation Pages: 55 - 65

8. Effect of a short bout of exercise on tobacco withdrawal symptoms and desire to smoke

   • Michael Ussher
   • Paola Nunziata
   • Robert West

   Original Investigation Pages: 66 - 72

9. Evidence that mesoaccumbens dopamine and locomotor responses to nicotine in the rat are influenced by pretreatment dose and strain

   • Timothy T. Iyaniwura
   • Adèle E. Wright
   • David J. Balfour

   Original Investigation Pages: 73 - 79

10. Lithium treatment inhibits protein kinase C translocation in rat brain cortex

    • Hoau-Yan Wang
    • Gerard P. Johnson
    • Eitan Friedman

    Original Investigation Pages: 80 - 86

11. The involvement of α₂-adrenoceptors in the anticonvulsive effect of swim stress in mice

    • Danka Peričić
    • Dubravka Švob
    • Kety Mirković Kos

    Original Investigation Pages: 87 - 93

12. The antianxiety-like effects of antagonists of group I and agonists of group II and III metabotropic glutamate receptors after intrahippocampal administration

    • Ewa Tatarczyńska
    • Aleksandra Kłodzińska
    • Andrzej Pilc

    Original Investigation Pages: 94 - 99

13. Chronic lithium treatment increases the expression of brain-derived neurotrophic factor in the rat brain

    • Takuji Fukumoto
    • Shigeru Morinobu
    • Shigeto Yamawaki

    Original Investigation Pages: 100 - 106