Locomotion of the blind controlled by natural sound cues 635 – 640
Edward R Strelow, John A Brabyn
Visual slant underestimation: a general model 641 – 654
John A Perrone
Perceptual learning of illusory contours and colour 655 – 661
Angus R H Gellatly
An effective paradigm for conditioning visual perception in human subjects 663 – 669
Peter Davies, Geoffrey L Davies, Spencer Bennett
Effect of brightness on perceived distance as a figure-ground phenomenon 671 – 676
Hiroyuki Egusa
The ability to see solid form in early infancy 677 – 684
Michael Cook, Trevor Mine, Ann Williamson
Detection of moving stimuli in the binocular and nasal visual fields by infants three and four months old 685 – 690
David Finlay, Kay Quinn, Algis Ivinskis
Touch and vision in normal and Down's syndrome babies 691 – 701
Vicky A Lewis, Peter E Bryant
A depth aftereffect caused by viewing a rotating Ames window 703 – 705
David C Rubin
Size discrimination with low spatial frequencies 707 – 720
Robert A Smith Jr
On the relativity of pitch 721 – 731
G van den Brink
Stroboscopic motion in depth 733 – 741
David Finlay
Correspondence strength in apparent movement as a function of short-range and long-range processes: comments on Ullman (1980) 743 – 745
J Timothy Petersik, Mark Boring, Melinda McDill
Correspondence strength in apparent movement: reply to Petersik et al 747 – 748
Shimon Ullman
From a simple photograph to a line representation 749 – 750
Amos S Cohen
Reviews 751 – 754
Author index 755 – 758
Subject index 759 – 761
