1. Visual perceptive simultaneity and masking of letters successively presented

   • Paul Fraisse

   OriginalPaper Pages: 285 - 287

2. Intensity of the underlying figural process

   • Teodor Kunnapas

   OriginalPaper Pages: 288 - 292

3. Effects of temporal uncertainty on watchkeeping performance

   • Richard P. Smith
   • Joel S. Warm
   • Earl A. Alluisi

   OriginalPaper Pages: 293 - 299

4. Effect of orientation and of shape similarity on perceptual grouping

   • Jacob Beck

   OriginalPaper Pages: 300 - 302

5. The physical factor structure of random forms and their judged complexity

   • Herbert H. Stenson

   OriginalPaper Pages: 303 - 310

6. Figural goodness and internal structure in perceptual discrimination

   • Fred L. Royer

   OriginalPaper Pages: 311 - 314

7. The effect of target specification on objects fixated during visual search

   • L. G. Williams

   OriginalPaper Pages: 315 - 318

8. Brightness and loudness as functions of stimulus duration

   • Joseph C Stévens
   • James W Hall

   OriginalPaper Pages: 319 - 327