1. Editorial

   • James Byron Nelson

   Perceptions Of Perceptual Learning Pages: 117 - 117

2. Varieties of perceptual learning

   • N. J. Mackintosh

   Perceptions Of Perceptual Learning Pages: 119 - 125

3. Roles of attention in perceptual learning from perspectives of psychophysics and animal learning

   • Yoshiaki Tsushima
   • Takeo Watanabe

   Perceptions Of Perceptual Learning Pages: 126 - 132

4. Perceptual learning in human and nonhuman animals: A search for common ground

   • Geoffrey Hall

   Perceptions Of Perceptual Learning Pages: 133 - 140

5. Perceptual learning and representational learning in humans and animals

   • József Fiser

   Perceptions Of Perceptual Learning Pages: 141 - 153

6. Human and animal perceptual learning: Some common and some unique features

   • Chris J. Mitchell

   Perceptions Of Perceptual Learning Pages: 154 - 160

7. Differential-outcomes effect using hedonically nondifferential outcomes with delayed matching to sample by pigeons

   • Holly C. Miller
   • Andrea M. Friedrich
   • Thomas R. ZentAll

   Articles Pages: 161 - 166

8. A landmark blocks searching for a hidden platform in an environment with a distinctive shape after extended pretraining

   • Murray R. Horne
   • John M. Pearce

   Articles Pages: 167 - 178

9. Sensory-specific associations in flavor-preference reversal learning

   • Janina Scarlet
   • Vincent Campese
   • Andrew R. Delamater

   Articles Pages: 179 - 187

10. The search for symmetry: 25 years in review

    • Karen M. Lionello-DeNolf

    Articles Pages: 188 - 203

11. Individual differences: Either relational learning or item-specific learning in a same/different task

    • L. Caitlin Elmore
    • Anthony A. Wright
    • Jeffrey S. Katz

    Articles Pages: 204 - 213