Coherence determines speed discrimination 425 – 435
Leslie Welch, Samuel F Bowne
The relationship between visual persistence and event perception in bistable motion display 437 – 445
Clara Casco
The magic wand: a new stereokinetic anomalous surface 447 – 457
Mario Zanforlin, Giorgio Vallortigara
Visual localization and estimation of extent of target motion during ocular pursuit: a common mechanism? 459 – 469
Stefan Mateeff, Joachim Hohnsbein, Walter H Ehrenstein
An acceleration illusion caused by underestimation of stimulus velocity during pursuit eye movements: Aubert-Fleischl revisited 471 – 482
Alexander H Wertheim, Peter Van Gelder
Apparent brightness enhancement in the Kanizsa square with and without illusory contour formation 483 – 489
Birgitta Dresp, Jean Lorenceau, Claude Bonnet
Ambiguous fluidity and rigidity and diamonds that ooze! 491 – 496
Glenn E Meyer, Thomas J Dougherty
Transparency: relation to depth, subjective contours, luminance, and neon color spreading 497 – 513
Ken Nakayama, Shinsuke Shimajo, Vilayanur S Ramachandran
Preattentive vision and perceptual groups 515 – 522
Mary Bravo, Randolph Blake
Shape from shading in different frames of reference 523 – 530
Ian P Howard, Sten S Bergström, Masao Ohmi
Sensitivity to the displacement of facial features in negative and inverted images 531 – 543
Richard Kemp, Chris McManus, Tara Pigott
The rising fastball: baseball's impossible pitch 545 – 552
Michael K McBeath
Reviews 553 – 558
