Pictorial depth and related constancy effects as a function of recognition 3 – 19
Irvin Rock, Josephine Shallo, Fred Schwartz
Op art and visual perception 21 – 46
Nicholas J Wade
The role of apparent depth and context in the perception of the Ponzo illusion 47 – 50
Harvey R Schiffman, Jack G Thompson
Are curves detected by 'curvature detectors'? 51 – 64
Brian N Timney Colin Macdonald
Storage of spatially specific threshold elevation 65 – 73
Peter G Thompson, J Anthony Movshon
Apparent movement, eye movements and phoria when two eyes alternate in viewing a stimulus 75 – 83
Hiroshi Ono, Gail Gonda
A delayed induced-motion illusion 85 – 89
George M Robinson, Janice Moulton
Feedback versus an illusion in time 91 – 96
Donald G Jamieson, William M Petrusic
Pandemonium and visual search 97 – 104
Leslie Henderson
Hypotheses in perception: their development about unambiguous stimuli in the environment 105 – 111
Roderick P Power
The use of numerical and graphical statistical methods in the analysis of data on learning to see complex random-dot stereograms 113 – 118
William S Cleveland, Roberta Guarino
A possible explanation as to why the newly sighted commonly perform well on pseudoisochromatic colour vision tests 119 – 122
Ian E Gordon, David Field
A note on the Münsterberg or café wall illusion 123 – 124
R H Day
Visualization of compound scenes 129 – 138
John R Beech, D Alan Allport
The effect of visual frame of reference on a judgement of plane stimulus orientation by children 139 – 149
John M Elliott, Kevin J Connolly
Recognition and knowledge of the water-level principle 151 – 160
Ian P Howard
Spatial-frequency masking with briefly pulsed patterns 161 – 166
Gordon E Legge, Michael A Cohen, Charles F Stromeyer III
Size and position invariance in the visual system 167 – 177
Patrick Cavanagh
Importance of relative width differences and instructions on shape constancy performance 179 – 186
Dale W Kaess
Illusory contours not due to completion 187 – 189
John M Kennedy
Illusory contours can arise in dot figures 191 – 194
John M Kennedy, Colin Ware
Monocular versus binocular contrast thresholds for movement and pattern 195 – 200
David Rose
Interocular transfer in individuals with strabismic amblyopia; a cautionary note 201 – 205
Robert Hess
Orientation-selective inhibition and binocular rivalry 207 – 214
Peter Walker
Changes in the apparent lengths of lines as a function of degree of retinal eccentricity 215 – 223
Bruce Schneider, Dan J Ehrlich, Robert Stein, Manning Flaum, Stuart Mangel
Another optical-geometrical illusion 225 – 228
Giovanni B Vicario
The angular function of orientation illusions induced by projected images of tilted real object scenes 229 – 238
Terry Purcell, Peter Wenderoth, David Moore
Reviews 239 – 242
,^v' 243
The perception of motion: Michotte revisited 247 – 260
Sylvia Weir
On the capacity of directionally selective mechanisms to encode different dimensions of moving stimuli 261 – 267
Allan Pantle, Steve Lehmkuhle, Michael Caudill
Geometric transformations of pictured space 269 – 282
James Farber, Richard R Rosinski
The Penrose triangle and a family of related figures 283 – 296
Stephen W Draper
Assimilation theory, attentive fields, and the Müller - Lyer illusion 297 – 304
Michael Bross, Richard Blair, Paul Longtin
Aftereffects of sustained vertical divergence: induced vertical phoria and illusory target height 305 – 314
Sheldon M Ebenholtz
Binocular utilization of monocular cues that are undetectable monocularly 315 – 322
Bela Julesz, Hans-Peter Oswald
Perception of contour in music reading 323 – 331
John A Sloboda
Development of sensitivity to information provided by cast shadows in pictures 333 – 341
Albert Yonas, Lynn T Goldsmith, Janet L Hallstrom
Effects of red light and loud noise on the rate at which monkeys sample the sensory environment 343 – 348
Nicholas K Humphrey, Graham R Keeble
Comparison of eye movements over faces in photographic positives and negatives 349 – 358
Saul M Luria, Mark S Strauss
Sir Charles Bell on visual direction 359 – 362
Nicholas J Wade
Apparent movement of successively generated subjective figures 371 – 383
J Timothy Petersik, Kenyon I Hicks, Allan J Pantle
Reaching in very young infants 385 – 392
Diane DiFranco, Darwin W Muir, Peter C Dodwell
Generation of synthetic male and female walkers through manipulation of a biomechanical invariant 393 – 405
James E Cutting
Form-colour aftereffects: selectivity to local luminance contrast 407 – 415
Charles F Stromeyer III, Benjamin M Dawson
Form aftereffect contingent upon a colour shift 417 – 421
Benjamin M Dawson, Charles F Stromeyer III
Contrast sensitivity function for stereopsis 423 – 429
John P Frisby, John E W Mayhew
Stereopsis masking in humans is not orientationally tuned 431 – 436
John E W Mayhew, John P Frisby
The cat's response to stimulus difference as attention focus and cue 437 – 447
John S Robinson, Douglas M Murray, Theodore J Voneida
Analysis of the detection of a moving line 449 – 458
P Ewen King-Smith
Lability of odor pleasantness: influence of mere exposure 459 – 465
William S Cain, Frank Johnson Jr
Illusory dilatation of square surfaces 467 – 471
Aurora Bazzeo, Lucia Zanuttini
Iris pigmentation and visual-geometric illusions 473 – 477
Stanley Coren, Clare Porac
On reexamining Fortes' data: some implications of drawings made by children who have never drawn before 479 – 484
Jan B Deregowski
Infant recognition of mother's voice 491 – 497
Jacques Mehler, Josiane Bertoncini, Michèle Barrière, Dora Jassik-Gerschenfeld
Central and peripheral object distances as determinants of the effective visual field in early infancy 499 – 506
Scania de Schonen, Beryl McKenzie, Liliane Maury, François Bresson
Reaching in the dark 507 – 512
Jennifer G Wishart, T G R Bower, Jane Dunkeld
Visual calibration of posture in normal and motor retarded Down's syndrome infants 513 – 525
George Butterworth, Dante Cicchetti
Apparent foveofugal drift of counterphase gratings 527 – 536
Mark A Georgeson, Michael G Harris
Contrast summation effects and stereopsis 537 – 550
John E W Mayhew, John P Frisby
McCollough effect and eye optics 551 – 555
Annemarie Hohmann, Christoph von der Malsburg
The effect of refractive error on size constancy and shape constancy 557 – 562
Herschel W Leibowitz, Stephen B Wilcox, Robert B Post
Explaining imaginal inference by operations in a propositional format 563 – 574
Richard N Wilton
Eye movements during the viewing of Necker cubes 575 – 581
Stephen R Ellis, Lawrence Stark
Perspectives in open spaces: a geometrical application of the Thouless index 583 – 588
Antonio M Battro, Horacio C Reggini, Carlos Karts
The use of category information in perception 589 – 604
Glyn W Humphreys
Illusory contours and the ends of lines 605 – 607
John M Kennedy
Lilliputian eyes and vision 609 – 610
David Piggins
The perception of relative motion by young infants 617 – 623
Robert E Lasky, Walter C Gogei
A distinctive characteristic of pictorial perception: the zoom effect 625 – 633
Margaret A Hagen, Harry B Elliott, Rebecca K Jones
Levels of stimulus processing by the squirrel monkey: relative and absolute judgements compared 635 – 659
Brendan O McGonigle, Barry T Jones
The relationship between apparent depth and disparity in rivalrous-texture stereograms 661 – 678
John P Frisby, John E W Mayhew
Moirés maintained internally by binocular vision 679 – 681
David Piggins
Two dimensionality of the correspondence process in apparent motion 683 – 693
Shimon Ullman
Two categorical stages of object recognition 695 – 705
Elizabeth K Warrington, Angela M Taylor
An additional dimension to grating perception 707 – 715
Christopher W Tyler
Orientation detectors in the human visual system and figural aftereffects 717 – 723
Toshiro Yoshida
Apparent improvement of TV picture quality through narrow pupils independent of overall quantal flux reduction 725 – 726
Jeremy D Klinger
Reviews 727 – 731
Author index 733 – 736
Subject index 737 – 738