1. Perceived size and motion in depth from optical expansion

   • Michael T. Swanston
   • Walter C. Gogel

   OriginalPaper Pages: 309 - 326

2. The effects of perceptual set on the shape and apparent depth of subjective contours

   • Stanley Coren
   • Clare Porac
   • Leonard H. Theodor

   OriginalPaper Pages: 327 - 333

3. Evidence for a significant contribution of interactions between oriented line segments in the Tolansky version of the Poggendorff illusion

   • Peter Wenderoth
   • Tony O’Connor
   • Michael Johnson

   OriginalPaper Pages: 334 - 338

4. The tilt illusion as a function of the relative and absolute lengths of test and inducing lines

   • Peter Wenderoth
   • Tony O’Connor
   • Michael Johnson

   OriginalPaper Pages: 339 - 345

5. Putting out the fire: Effects of tastants on oral chemical irritation

   • David A. Stevens
   • Harry T. Lawless

   OriginalPaper Pages: 346 - 350

6. The Poggendorff displacement effect with only three dots

   • R. H. Day
   • Wendy L. Watson
   • W. J. Jolly

   OriginalPaper Pages: 351 - 354

7. The role of optical velocity in the control of stance

   • Thomas A. Stoffregen

   OriginalPaper Pages: 355 - 360

8. Capture of stereopsis and apparent motion by illusory contours

   • V. S. Ramachandran

   OriginalPaper Pages: 361 - 373

9. Some observations on the Poggendorff and Müller-Lyer tactual illusions

   • Albina Lucca
   • Anna Dellantonio
   • Lucia Riggio

   OriginalPaper Pages: 374 - 380

10. A quadrature method for Bayesian sequential threshold estimation

    • Phillip L. Emerson

    Notes and Comment Pages: 381 - 383