Issue 1

The invariance hypothesis and the intuitive perceiver: a developmental study 3 – 9
D W Kaess

Individual differences in noise and associated perceptual indices of performance 11 – 21
T Nettelbeck

The effects of temporal modulation on the orientation channels of the human visual system 23 – 29
C R Sharpe, D J Tolhurst

Relationships between channels for colour and spatial frequency in human vision 31 – 40
V Virsu, S Haapasalo

Luminance thresholds for motion contingent on colour 41 – 51
J E W Mayhew

Orientation specificity and spatial selectivity in human vision 53 – 60
J A Movshon, C Blakemore

Relation between the magnitude of flicker sensation and evoked potential amplitude in man 61 – 65
D Regan, K I Beverley

Untersuchungen zur Lokalisierung von Wahrnehmungs prozessen: Figurale Nachwirkungen bei binokularen Wettstreit-Bedingungen 67 – 77
H Crabus, M Stadler

The 'distraction effect' and information processing complexity 79 – 89
Shirley Fisher

The allocation of attention in multisource monitoring behaviour: Adult age differences 91 – 100
A J Sanford, A J Maule

Selectivity of attention and the perception of duration 101 – 105
G Underwood, R A Swain

Laterality effects in diotic listening 107 – 111
J Morals, P Bertelson

Kinaesthetic spatial aftereffects from one and two wrists: a further investigation 113 – 115
J P Frisby, Janet M Empson

Reviews 117 – 118

Issue 2

Editorials

The dependence of monocular rivalry on orientation 123 – 125
F W Campbell, A S Gilinsky, E R Howell, L A Riggs, J Atkinson

The dependence of monocular rivalry on spatial frequency 127 – 133
J Atkinson, F W Campbell, A Fiorentini, L Maffei

Monocular movement parallax and near-space perception 135 – 146
G Johansson

Effects of movements upon the appearance and duration of a prolonged visual afterimage: 1. Changes arising from the movement of a portion of the body incorporated in the afterimaged scene 147 – 153
P Davies

Effects of movements upon the appearance and duration of a prolonged visual afterimage: 2. Changes arising from movement of the observer in relation to the previously afterimaged scene 155 – 160
P Davies

Real and apparent visual movement: evidence for a unitary mechanism 161 – 164
J L Clatworthy, J P Frisby

But if they either are not what they seem, or seem what they are not, then how can perceptual distortions be measured? 165 – 166

A new experimental paradigm for the investigation of the secondary system of human visual motion perception 167 – 180
C Lamontagne

Pursuing stationary dots: Smooth eye movements and apparent movement 181 – 195
S Heywood

Analysis of a stroboscopic illusion of motion 197 – 210
R Albert, D Donderi

Assimilation theory and the reversed Müller-Lyer illusion 211 – 217
A W Pressey, M Bross

Comments on assimilation theory and the reversed Müller-Lyer illusion 219 – 223
B J Fellows

Apparent depth and the Müller-Lyer illusion 225 – 234
M A Georgeson, C Blakemore

Fusion and rivalry of illusory contours 235 – 247
J P Harris, R L Gregory

Short-term memory for stroboscopic movement perception 249 – 260
B Julesz, E Chiarucci

Reviews 261 – 262

Issue 3

The process of 'taking-into-account' in visual perception 267 – 285
W Epstein

The autonomy of visual kinaesthesis 287 – 294
J R Lishman, D N Lee

The separation of bias and sensitivity in multiple-choice tasks 295 – 305
J D Ingleby

The coordination of visual observation and instrumental behavior in early infancy 307 – 314
Ilze V Kalnins, J S Bruner

Perceptual shape constancy in early infancy 315 – 320
R H Day, B E McKenzie

Visual perception of bending motion 321 – 326
G Jansson, G Johansson

The locus of adaptation to auditory-visual conflict 327 – 332
Monique Radeau

Tactile pattern recognition and body loci 333 – 336
L A Scadden

Hearing with the hands 337 – 341
S M Anstis

An investigation of dynamic and static visual acuity 343 – 356
P E Fergenson, J W Suzansky

Intelligence factors in the perception of form through a moving slit 357 – 369
I Rock, E Sigman

Orientation-specific learning in stereopsis 371 – 376
V S Ramachandran, O Braddick

'On' and 'off' components in the human somatosensory evoked response 377 – 383
M Feinsod, P Bach-y-Rita, J M Madey, E Simoes

Reviews 385 – 386

Cartoon received from Colin Blakemore 387

Issue 4

Inability of humans to discriminate between visual textures that agree in second-order statistics -- revisited 391 – 405
B Julesz, E N Gilbert, L A Shepp, H L Frisch

A distractive effect of peripheral attention on foveal trigram recognition 407 – 413
I Bodis-Wollner

A computational view of perception 415 – 424
B Rosenberg, D J Langridge

A velocity analogue of brightness contrast 425 – 428
J M Loomis, K Nakayama

The illusion of beauty 429 – 439
N K Humphrey

Investigation of temporal integration by video sampling 441 – 490
R Williams

Reviews 491 – 492

Author index 493 – 494

Subject index 495 – 497