1. Reaction time to change in visual orientation

   • Alberta S. Gilinsky
   • H. Harvey Cohen

   OriginalPaper Pages: 129 - 134

2. Effects of rotating backgrounds upon the perception of verticality

   • Philip C. Hughes
   • Gerhard A. Brecher
   • Steven M. Fishkin

   OriginalPaper Pages: 135 - 138

3. Hemispheric differences in a letter classification task

   • Gillian Cohen

   OriginalPaper Pages: 139 - 142

4. An analysis of individual differences in similarity judgments about complex random forms

   • Larry G. Richards

   OriginalPaper Pages: 143 - 149

5. Difference threshold for intensity of tactile stimuli

   • James C. Craig

   OriginalPaper Pages: 150 - 152

6. Preferred recall order and recall accuracy for two messages presented simultaneously over a single auditory channel

   • Howard Rollins
   • Mark Everson
   • Donald L. Schurman

   OriginalPaper Pages: 153 - 155

7. Relative judgment: A phenomenon and a theory

   • David F. Marks

   OriginalPaper Pages: 156 - 160

8. On counteradaptation

   • Hans Wallach
   • Karl Josef Frey

   OriginalPaper Pages: 161 - 165

9. A comparison of accommodative and fusional convergence as cues to distance

   • Walter C. Gogel
   • Richard D. Sturm

   OriginalPaper Pages: 166 - 168

10. Some characteristics of selective attention in visual perception determined by vocal reaction time

    • Charles W. Eriksen
    • James E. Hoffman

    OriginalPaper Pages: 169 - 171

11. Changes in auditory flutter fusion frequency during prolonged visual deprivation

    • C. H. Pangman
    • John P. Zubek

    OriginalPaper Pages: 172 - 174

12. Erratum to: The relationships among time, distance, and intensity as determinants of motion discrimination

    • Henderson David C.

    Erratum Pages: 174 - 174

13. Direction constancy

    • A. Lewis Hill

    OriginalPaper Pages: 175 - 178

14. Effects of focusing strategy on speeded classification with grouping, filtering, and condensation tasks

    • Richard L. Gottwald
    • W. R. Garner

    OriginalPaper Pages: 179 - 182

15. The effect of orthographic structure on letter search

    • Eleanor J. Gibson
    • Yvette J. Tenney
    • Martha Zaslow

    OriginalPaper Pages: 183 - 186

16. Adjustments of visual tilt as a function of age

    • Frances C. Volkmann
    • Peter B. Pufall

    OriginalPaper Pages: 187 - 192