Editorials
The perception of familiar stimuli 251 – 264
John Pickering
The contribution of relational factors to line-length matches 265 – 278
Peter Wenderoth
Away from a unisex psychology: individual differences in visual sensory and perceptual processes 279 – 294
Diane McGuinness
Sex differences in visual persistence: experiments on the Ganzfeld and afterimages 295 – 301
Diane McGuinness, Ian Lewis
Striate cortex potentials related to eye movements in the light and in darkness in the waking human 303 – 308
Piero Salzarulo, Gabrielle C Lairy, Jean Bancaud
The aftereffect of tracking eye movements 309 – 317
Michael J Morgan, Roger M Ward, Edward M Brussell
The perpendicular error and the vertical effect in children's drawing 319 – 326
Andrew Ibbotson, Peter E Bryant
The magic number 4 ± 0: A new look at visual numerosity judgements 327 – 334
Janette Atkinson, Fergus W Campbell, Marcus R Francis
The dependence of the visual numerosity limit on orientation, colour, and grouping in the stimulus 335 – 342
Janette Atkinson, Marcus R Francis, Fergus W Campbell
Implicit-shape constancy: a cross-cultural comparison 343 – 348
Jan B Deregowski
Model-driven interpretation in intelligent vision systems 349 – 370
Alan K Mackworth
Letter to the editor 371 – 372
Review 373
Cartoon received from Michael J Morgan 374