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
