1. Stimulus range, number of categories, and the “virtual” exponent

   • Hugh J. Foley
   • David V. Cross
   • Richard Reeder

   OriginalPaper Pages: 505 - 512

2. The relation between proximity and brightness similarity in dot patterns

   • Steven W. Zucker
   • Kent A. Stevens
   • Peter Sander

   OriginalPaper Pages: 513 - 522

3. Hemispheric differences for semantically and phonologically primed nouns: A tachistoscopic study in normals

   • Manfred Rodel
   • John G. Dudley
   • Marc Bourdeau

   OriginalPaper Pages: 523 - 531

4. Accommodation fatigue and dark focus: The effects of accommodation-free visual work as assessed by two psychophysical methods

   • R. J. Miller
   • Richard G. Pigion
   • James G. Patterson

   OriginalPaper Pages: 532 - 540

5. Duration discrimination of empty time intervals marked by intermodal pulses

   • Robert Rousseau
   • Jocelyn Poirier
   • Louise Lemyre

   OriginalPaper Pages: 541 - 548

6. McCollough effect acquisition depends on duration of exposure to inducing stimuli, not number of stimulus presentations

   • D. Skowbo
   • K. White

   OriginalPaper Pages: 549 - 551

7. Further evidence against the classical conditioning model of McCollough effects

   • D. Skowbo
   • T. Forster

   OriginalPaper Pages: 552 - 554

8. Pattern discrimination in the near-ultraviolet by pigeons

   • Jacky Emmerton

   OriginalPaper Pages: 555 - 559

9. Auditory and phonetic processes in place perception for stops

   • James R. Sawusch
   • Howard C. Nusbaum

   OriginalPaper Pages: 560 - 568

10. Composition rule for perceived duration of simultaneous events

    • Stanley J. Rule
    • Mary L. Mahon
    • Dwight W. Curtis

    OriginalPaper Pages: 569 - 572

11. Processing times for English and Chinese words

    • Rumjahn Hoosain
    • Charles E. Osgood

    OriginalPaper Pages: 573 - 577

12. Symmetry and similarity effects in the comparison of visual patterns

    • Sebastiano Bagnara
    • David B. Boles
    • Carlo Umilta

    OriginalPaper Pages: 578 - 584

13. Auditory perception of dissonant polyrhythms

    • Cecile Beauvillain

    OriginalPaper Pages: 585 - 592

14. The role of mental computations in judgments of area and volume

    • Darrell L. Butler
    • Carl Overshiner

    OriginalPaper Pages: 593 - 598

15. Does stereopsis have a fusional component?

    • Robert P. O’Shea

    Notes and Comment Pages: 599 - 603