1. The role of injection cues in the production of the morphine preexposure effect in taste aversion learning

   • Catherine M. Davis
   • Isabel De Brugada
   • Anthony I. Riley

   OriginalPaper Pages: 103 - 110

2. Response variability in pigeons in a pavlovian task

   • W. David Stahlman
   • Michael E. Young
   • Aaron P. Blaisdell

   OriginalPaper Pages: 111 - 118

3. Prospective and retrospective timing by pigeons

   • J. Gregor Fetterman
   • P. Richard Killeen

   OriginalPaper Pages: 119 - 125

4. Learned predictiveness effects following single-cue training in humans

   • M. E. Le Pelley
   • M. N. Turnbull
   • R. L. Knipe

   OriginalPaper Pages: 126 - 144

5. Effect of outcome valence on positive and negative patterning in human causal reasoning

   • J. W. Whitlow

   OriginalPaper Pages: 145 - 159

6. The derived generalization of thought suppression

   • Nic Hooper
   • Jo Saunders
   • Louise McHugh

   OriginalPaper Pages: 160 - 168

7. “counting” by pigeons: Discrimination of the number of biologically relevant sequential events

   • Rebecca M. Rayburn-Reeves
   • Holly C. Miller
   • Thomas R. Zentall

   OriginalPaper Pages: 169 - 176

8. Latent inhibition of conditioned disgust reactions in rats

   • Matías López
   • Patricia Gasalla
   • Linda A. Parker

   OriginalPaper Pages: 177 - 186