1. The effects of chronic administration of ethanol on startle thresholds in rats

   • R. J. Gibbins
   • H. Kalant
   • J. W. Clark

   OriginalPaper Pages: 95 - 104

2. Effect of glucose on threshold of intracranial reinforcement

   • Joseph P. Huston

   OriginalPaper Pages: 105 - 113

3. L-Tryptophane and sleep

   • Ernest Hartmann
   • Richard Chung
   • Ching-Piao Chien

   OriginalPaper Pages: 114 - 127

4. Interactions between naloxone and chlorpromazine on behavior under schedule control

   • D. E. McMillan

   OriginalPaper Pages: 128 - 133

5. Reserpine and sleep

   • Joe D. Coulter
   • Boyd K. Lester
   • Harold L. Williams

   OriginalPaper Pages: 134 - 147

6. Endogenous depressions with and without disturbances in the 5-hydroxytryptamine metabolism: A biochemical classification?

   • H. M. van Praag
   • J. Korf

   OriginalPaper Pages: 148 - 152

7. A double-blind comparison of dothiepin and amitriptyline for the treatment of depression with anxiety

   • M. S. Lipsedge
   • W. Linford Rees
   • D. J. Pike

   OriginalPaper Pages: 153 - 162

8. Extinction of fear I: Effects of amylobarbitone and dexamphetamine given separately and in combination on fear and exploratory behaviour in rats

   • R. Kumar

   OriginalPaper Pages: 163 - 187

9. The effect of varying the nicotine content of cigarettes on human smoking behaviour

   • C. D. Frith

   Preliminary Reports Pages: 188 - 192

10. A simple and specific screen for benzodiazepine-like drugs

    • B. P. H. Poschel

    OriginalPaper Pages: 193 - 198

11. Retarded depression and the dopamine metabolism

    • H. M. van Praag
    • J. Korf

    Letters to the Editors Pages: 199 - 203

12. Preliminary clinical trial with L-DOPA in narcolepsy

    • Lars -M. Gunne
    • Hans F. Lidvall
    • Lennart Widén

    OriginalPaper Pages: 204 - 206