Perception of surface slant and edge labels from optical flow: a computational approach 253 – 269
William F Clocksin
The effects of spatial and temporal factors on the perception of stroboscopic rotation simulations 271 – 283
J Timothy Petersik
Slant underestimation: a model based on the size of the viewing aperture 285 – 302
John A Perrone
Quantitative studies of some dynamic visual effects 303 – 316
John L Barbur
Human vision favors centrifugal motion 317 – 325
Karlene Ball, Robert Sekuler
The microstructure of dual-task interaction. 4. Sleep deprivation and the control of attention 327 – 337
Shirley Fisher
An analysis of perceptual and cognitive factors in radiographic interpretation 339 – 344
Dennis P Carmody, Calvin F Nodine, Harold L Kundel
The selective impact of verbally communicated criteria in orientation judgements by young children 345 – 351
Brendan O McGonigle, Margaret Chalmers
Gross failure to utilise alignment cues in children's drawing of three-dimensional relationships 353 – 359
Norman Freeman, Claire Hayton
The subjective brightness of illusory figures: is stratification a factor? 361 – 363
Theodore E Parks
Reviews 365 – 366