Infant recognition of mother's voice 491 – 497
Jacques Mehler, Josiane Bertoncini, Michèle Barrière, Dora Jassik-Gerschenfeld
Central and peripheral object distances as determinants of the effective visual field in early infancy 499 – 506
Scania de Schonen, Beryl McKenzie, Liliane Maury, François Bresson
Reaching in the dark 507 – 512
Jennifer G Wishart, T G R Bower, Jane Dunkeld
Visual calibration of posture in normal and motor retarded Down's syndrome infants 513 – 525
George Butterworth, Dante Cicchetti
Apparent foveofugal drift of counterphase gratings 527 – 536
Mark A Georgeson, Michael G Harris
Contrast summation effects and stereopsis 537 – 550
John E W Mayhew, John P Frisby
McCollough effect and eye optics 551 – 555
Annemarie Hohmann, Christoph von der Malsburg
The effect of refractive error on size constancy and shape constancy 557 – 562
Herschel W Leibowitz, Stephen B Wilcox, Robert B Post
Explaining imaginal inference by operations in a propositional format 563 – 574
Richard N Wilton
Eye movements during the viewing of Necker cubes 575 – 581
Stephen R Ellis, Lawrence Stark
Perspectives in open spaces: a geometrical application of the Thouless index 583 – 588
Antonio M Battro, Horacio C Reggini, Carlos Karts
The use of category information in perception 589 – 604
Glyn W Humphreys
Illusory contours and the ends of lines 605 – 607
John M Kennedy
Lilliputian eyes and vision 609 – 610
David Piggins
